On 2020/1/6 上午9:56, Vladimir wrote: > Two last questions (don't want to bother you): > - Is there any way to prevent undetectable corruptions except using LT > kernel branches? I think LTS/stable branches are here to prevent such branches. The other solution is using commerially backed kernels, like SUSE/openSUSE kernels, which are kinda of LTS/stable with extra QA. The real solution is more QA/review resource for btrfs. > - Is there any way to prevent false CRC errors for IO-intensive files > except nodatacow? IIRC this false CRC is already a bug, but unforunately I'm not familiar enough with that part, so I can't say if it's already fixed. You could try latest upstream kernel for your workload to see how it works, and report back to contribute if you prefer. Thanks, Qu > > Thanks! > > P.S. > [root@recovery ~]# btrfs version > btrfs-progs v4.9.1 > [root@recovery ~]# cat /proc/version > Linux version 3.10.0-1062.9.1.el7.x86_64 > (mockbuild@xxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.8.5 20150623 (Red > Hat 4.8.5-39) (GCC) ) #1 SMP Fri Dec 6 15:49:49 UTC 2019 > [root@recovery ~]# btrfs scrub status -R /mnt/111/ > scrub status for 51d26840-8d19-4622-a23f-e78431f11196 > scrub started at Mon Jan 6 03:11:30 2020 and finished after 00:07:00 > data_extents_scrubbed: 7564571 > tree_extents_scrubbed: 225949 > data_bytes_scrubbed: 325433925632 > tree_bytes_scrubbed: 3701948416 > read_errors: 0 > csum_errors: 30 > verify_errors: 0 > no_csum: 25392 > csum_discards: 0 > super_errors: 0 > malloc_errors: 0 > uncorrectable_errors: 0 > unverified_errors: 0 > corrected_errors: 0 > last_physical: 438220881920 > [root@recovery ~]# btrfs scrub status /mnt/111/ > scrub status for 51d26840-8d19-4622-a23f-e78431f11196 > scrub started at Mon Jan 6 03:11:30 2020 and finished after 00:07:00 > total bytes scrubbed: 306.53GiB with 30 errors > error details: csum=30 > corrected errors: 0, uncorrectable errors: 0, unverified errors: 0 > > пн, 6 янв. 2020 г. в 04:36, Vladimir <amigo.elite@xxxxxxxxx>: >> >> Well, thank you for the response! >> >> To summarize this story: >> Twenty hours passed yet no result from btrfsck, and it slowed down a >> lot more: looks like naive algo (with a hungry log in big O) used for >> this init-magic making it completely unusable in most cases (except if >> it was the only hope to get data back and time doesn't matter) as with >> noticeable slowdown it will take WEEKS to finish for this little >> (~308GB) partition if I understood you correctly and backref ID is >> bytenr. >> It would be much faster for me to get back to the home and restore >> this VM from the backup in comparison with --init-extent-tree. >> >> I was able to mount "broken" FS successfully and recover all the data >> without any issues using CentOS 7 VM 3.10.0-1062.9.1.el7.x86_64 RHEL >> kernel with backports. >> While I was doing all of this stuff with VM, I got OOM, so btrfsck was >> killed by OOM-killer as it's allocated ~25% of my RAM (~4GB). The end. >> >>> It's recommended to let that --init-extent-tree to finish. >> I highly appreciate your attempt to help, but if you would initially >> suggest me to use the previous kernel line instead of wasting weeks (a >> day actually) for testing useless init-extent-tree feature of btrfsck, >> I would appreciate it much higher :) >> >>> IIRC under certain load, btrfs tends to cause false CRC error. >>> It's recommended to disable data cow for VM images. >> Kinda funny. COW is the main reason why I'm using BTRFS... >> Thanks for letting me know; it will allow me to make the right decision. >> >> I'm not whining and love BTRFS so much for its features like >> compression, snapshots, COW copies, checksums, etc, but for me, it's >> the last straw in a heap of problems: >> - Broken checksums making scrub useless >> - Check utility which is missing corruption in a COW-based FS caused >> by OS hang making this FS dangerous for storing any valuable data >> - Unbelievably long fallback mode of btrfsck making it completely useless >> - Order of magnitude higher write amplification than any other FS have >> making any compression useless (well, this isn't related to subject of >> this thread in any way, but it's another issue making one of the great >> FS feature completely useless) >> >> Thank you for all your help and hard work improving BTRFS! >> >> пн, 6 янв. 2020 г. в 02:27, Qu Wenruo <quwenruo.btrfs@xxxxxxx>: >>> >>> >>> >>> On 2020/1/6 上午1:14, Vladimir wrote: >>>> I've updated to the d39ab9f commit of devel branch and restarted >>>> --init-extent-tree. >>>> It looks like it currently keeps restoring extent backrefs: >>>> >>>> Repaired extent references for 11186647040 >>>> ref mismatch on [11186655232 8192] extent item 0, found 3 >>>> data backref 11186655232 parent 1652575469568 owner 0 offset 0 >>>> num_refs 0 not found in extent tree >>>> incorrect local backref count on 11186655232 parent 1652575469568 >>>> owner 0 offset 0 found 1 wanted 0 back 0xf6d491c0 >>>> data backref 11186655232 root 2368 owner 5682 offset 37952913408 >>>> num_refs 0 not found in extent tree >>>> incorrect local backref count on 11186655232 root 2368 owner 5682 >>>> offset 37952913408 found 1 wanted 0 back 0x2c4b4770 >>>> data backref 11186655232 parent 1581906853888 owner 0 offset 0 >>>> num_refs 0 not found in extent tree >>>> incorrect local backref count on 11186655232 parent 1581906853888 >>>> owner 0 offset 0 found 1 wanted 0 back 0x10377eb20 >>>> backpointer mismatch on [11186655232 8192] >>>> adding new data backref on 11186655232 parent 1652575469568 owner 0 >>>> offset 0 found 1 >>>> adding new data backref on 11186655232 root 2368 owner 5682 offset >>>> 37952913408 found 1 >>>> adding new data backref on 11186655232 parent 1581906853888 owner 0 >>>> offset 0 found 1 >>>> >>>> How can I detect the latest backref ID? I would like to determine ETA >>>> for the whole process as it tends to slow down as the time goes - >>>> initially it was blazing fast but slows down with backref ID growing >>>> and it only uses the single CPU core. >>> >>> That "Backref ID" is in fact tree block/data bytenr. >>> >>> It's not hat easy to determine an completely accurate one, but you can >>> refer to your chunk tree to get a mapping, and all bytenr shouldn't go >>> beyond that range. >>> >>>> >>>> And one more question: I've attempted to use btrfs restore to get the >>>> most important files from this FS but failed: >>>> offset is 8192 >>>> offset is 364544 >>>> offset is 45056 >>>> offset is 98304 >>>> offset is 94208 >>>> offset is 61440 >>>> We seem to be looping a lot on >>>> /mnt/111/libvirt/images/iphone-apps-w10.hb.img, do you want to keep >>>> going on ? (y/N/a): offset is 4096 >>>> offset is 8192 >>>> offset is 61440 >>>> offset is 24576 >>>> offset is 12288 >>>> offset is 36864 >>>> offset is 20480 >>>> offset is 118784 >>>> offset is 557056 >>>> offset is 20480 >>>> offset is 65536 >>>> offset is 69632 >>>> offset is 94208 >>>> offset is 16384 >>>> offset is 4096 >>>> offset is 139264 >>>> offset is 430080 >>>> ERROR: cannot map block logical 99312730112 length 1107296256: -2 >>>> Error copying data for /mnt/111/libvirt/images/iphone-apps-w10.hb.img >>> >>> That bytenr is doesn't look good, it's too large for a single extent. >>> Not sure how this happened, need extra debug after --init-extent-tree >>> finished. >>> >>>> >>>> I know this file of VM important to me has CRC mismatches detected >>>> during scrub while FS was alive but don't know why as I'm always >>>> getting CRC mismatches for the most IO-active VMs - could it be >>>> related to btrfs restore error? >>> >>> IIRC under certain load, btrfs tends to cause false CRC error. >>> >>> It's recommended to disable data cow for VM images. >>> >>>> And if it is related to the CRC >>>> mismatches, is there any other way to get files with CRC mismatches >>>> from this damaged FS? >>>> I thought about attempting to use 5.3 because you mentioned that my >>>> issue is related to the new extent generation tree-checker introduced >>>> in v5.4 but afraid to interrupt btrfs check process to verify if >>>> downgrade will help me to get files from this FS faster then btrfs >>>> check. >>> >>> It's recommended to let that --init-extent-tree to finish. >>> >>> Thanks, >>> Qu >>> >>>> >>>> Thanks for your help! >>>> >>>> вс, 5 янв. 2020 г. в 05:59, Qu Wenruo <quwenruo.btrfs@xxxxxxx>: >>>>> >>>>> >>>>> >>>>> On 2020/1/5 上午9:30, Vladimir wrote: >>>>>> Dear BTRFS community, >>>>>> >>>>>> I hit a strange issue: btrfsck unable to detect any errors, but I'm >>>>>> also unable to mount this "sane" (by the btrfsck opinion) BTRFS >>>>>> partition. >>>>>> >>>>>> Long story short: at some point, I had to forcefully power off my >>>>>> laptop due to near-OOM hang with very intensive swapping caused by >>>>>> starting the memory-hungry app. >>>>>> This happened on 5.4.0-1.el7.elrepo.x86_64 kernel. >>>>>> >>>>>> After reboot I was unable to mount my data partition (/dev/stripe/data): >>>>>> [29798.631579] BTRFS info (device dm-11): disk space caching is enabled >>>>>> [29798.631581] BTRFS info (device dm-11): has skinny extents >>>>>> [29798.637910] BTRFS info (device dm-11): bdev >>>>>> /dev/mapper/stripe-data--snap2 errs: wr 0, rd 11, flush 0, corrupt >>>>>> 3452, gen 0 >>>>>> [29798.677872] BTRFS critical (device dm-11): corrupt leaf: >>>>>> block=1651991592960 slot=16 extent bytenr=93983342592 len=524288 >>>>>> invalid generation, have 140287904167864 expect (0, 6389777] >>>>> >>>>> This is the new extent geneartion tree-checker introduced in v5.4. >>>>> >>>>> btrfs-progs doesn't yet support it, but the detect part is already >>>>> submitted to btrfs mail list. >>>>> >>>>> The fs can be completely saved without losing anything. >>>>> You can fetch the this branch: >>>>> https://github.com/kdave/btrfs-progs/tree/devel >>>>> >>>>> Then use --init-extent-tree to fix the problem. >>>>> >>>>> Thanks, >>>>> Qu >>>>> >>>>>> [29798.677875] BTRFS error (device dm-11): block=1651991592960 read >>>>>> time tree block corruption detected >>>>>> [29798.677895] BTRFS error (device dm-11): failed to read block groups: -5 >>>>>> [29798.691723] BTRFS error (device dm-11): open_ctree failed >>>>>> >>>>>> I've created an LVM snapshot of the damaged partition and started to dig in: >>>>>> >>>>>> At first, I've updated my kernel to the latest one: >>>>>> # cat /proc/version >>>>>> Linux version 5.4.7-1.el7.elrepo.x86_64 (mockbuild@Build64R7) (gcc >>>>>> version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC)) #1 SMP Tue Dec 31 >>>>>> 11:30:50 EST 2019 >>>>>> >>>>>> Second, I've updated btrfs-progs to the latest available version: >>>>>> # btrfs version >>>>>> btrfs-progs v5.4 >>>>>> >>>>>> Third, I've attempted to mount this partition again (with no success, >>>>>> even if I'm attempting to use subvolid for the most important >>>>>> subvolume) and then attempted to run btrfsck --repair: >>>>>> # btrfs check -p --repair /dev/stripe/data-snap3 >>>>>> enabling repair mode >>>>>> WARNING: >>>>>> >>>>>> Do not use --repair unless you are advised to do so by a developer >>>>>> or an experienced user, and then only after having accepted that no >>>>>> fsck can successfully repair all types of filesystem corruption. Eg. >>>>>> some software or hardware bugs can fatally damage a volume. >>>>>> The operation will start in 10 seconds. >>>>>> Use Ctrl-C to stop it. >>>>>> 10 9 8 7 6 5 4 3 2 1 >>>>>> Starting repair. >>>>>> Opening filesystem to check... >>>>>> Checking filesystem on /dev/stripe/data-snap3 >>>>>> UUID: 51d26840-8d19-4622-a23f-e78431f11196 >>>>>> [1/7] checking root items (0:00:04 elapsed, >>>>>> 3025927 items checked) >>>>>> Fixed 0 roots. >>>>>> No device size related problem found (0:00:36 elapsed, >>>>>> 226080 items checked) >>>>>> [2/7] checking extents (0:00:36 elapsed, >>>>>> 226094 items checked) >>>>>> cache and super generation don't match, space cache will be invalidated >>>>>> [3/7] checking free space cache (0:00:00 elapsed) >>>>>> [4/7] checking fs roots (0:00:55 elapsed, >>>>>> 179338 items checked) >>>>>> [5/7] checking csums (without verifying data) (0:00:01 elapsed, >>>>>> 929754 items checked) >>>>>> [6/7] checking root refs (0:00:00 elapsed, 151 >>>>>> items checked) >>>>>> [7/7] checking quota groups skipped (not enabled on this FS) >>>>>> found 329136820224 bytes used, no error found >>>>>> total csum bytes: 317705000 >>>>>> total tree bytes: 3702947840 >>>>>> total fs tree bytes: 2947874816 >>>>>> total extent tree bytes: 342605824 >>>>>> btree space waste bytes: 640513083 >>>>>> file data blocks allocated: 997170450432 >>>>>> referenced 528523653120 >>>>>> >>>>>> Currently, I'm waiting for `btrfsck --init-extent-tree` and `btrfs >>>>>> restore` to finish runs on snapshots but not sure if btrfsck is going >>>>>> to help. >>>>>> >>>>>> Some additional info: >>>>>> >>>>>> # btrfs insp dump-tree -b 1651557531648 --follow /dev/stripe/data-snap3 >>>>>> btrfs-progs v5.4 >>>>>> leaf 1651557531648 items 206 free space 3402 generation 6389777 owner >>>>>> EXTENT_TREE >>>>>> leaf 1651557531648 flags 0x1(WRITTEN) backref revision 1 >>>>>> fs uuid 51d26840-8d19-4622-a23f-e78431f11196 >>>>>> chunk uuid 0de2db9c-a970-40f0-9fdb-c797b13ac0c1 >>>>>> item 0 key (93981401088 EXTENT_ITEM 126976) itemoff 16204 itemsize 79 >>>>>> refs 3 gen 3227277 flags DATA >>>>>> extent data backref root 2368 objectid 5682 offset 23367835648 count 1 >>>>>> shared data backref parent 1635492167680 count 1 >>>>>> shared data backref parent 1601869201408 count 1 >>>>>> item 1 key (93981528064 EXTENT_ITEM 12288) itemoff 16167 itemsize 37 >>>>>> refs 1 gen 3691918 flags DATA >>>>>> shared data backref parent 1080080089088 count 1 >>>>>> item 2 key (93981544448 EXTENT_ITEM 49152) itemoff 16130 itemsize 37 >>>>>> refs 1 gen 3684280 flags DATA >>>>>> shared data backref parent 1079417503744 count 1 >>>>>> item 3 key (93981593600 EXTENT_ITEM 4096) itemoff 16077 itemsize 53 >>>>>> refs 1 gen 5689421 flags DATA >>>>>> extent data backref root 2368 objectid 12305 offset 15963054080 count 1 >>>>>> item 4 key (93981597696 EXTENT_ITEM 65536) itemoff 16024 itemsize 53 >>>>>> refs 1 gen 6349517 flags DATA >>>>>> extent data backref root 2368 objectid 261 offset 12687536128 count 1 >>>>>> item 5 key (93981663232 EXTENT_ITEM 32768) itemoff 15987 itemsize 37 >>>>>> refs 1 gen 6349520 flags DATA >>>>>> shared data backref parent 1609922379776 count 1 >>>>>> item 6 key (93981696000 EXTENT_ITEM 20480) itemoff 15950 itemsize 37 >>>>>> refs 1 gen 6375808 flags DATA >>>>>> shared data backref parent 1079170285568 count 1 >>>>>> item 7 key (93981716480 EXTENT_ITEM 24576) itemoff 15913 itemsize 37 >>>>>> refs 1 gen 6375808 flags DATA >>>>>> shared data backref parent 1079170285568 count 1 >>>>>> item 8 key (93981749248 EXTENT_ITEM 4096) itemoff 15860 itemsize 53 >>>>>> refs 1 gen 5224843 flags DATA >>>>>> extent data backref root 2368 objectid 262 offset 9913962496 count 1 >>>>>> item 9 key (93981753344 EXTENT_ITEM 4096) itemoff 15807 itemsize 53 >>>>>> refs 1 gen 5226775 flags DATA >>>>>> extent data backref root 2368 objectid 261 offset 5763231744 count 1 >>>>>> item 10 key (93981757440 EXTENT_ITEM 4096) itemoff 15754 itemsize 53 >>>>>> refs 1 gen 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>>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 98 key (94026334208 EXTENT_ITEM 524288) itemoff 12511 itemsize 37 >>>>>> refs 1 gen 16290360 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 99 key (94026858496 EXTENT_ITEM 524288) itemoff 12474 itemsize 37 >>>>>> refs 1 gen 171695243008 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 100 key (94027382784 EXTENT_ITEM 524288) itemoff 12437 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 101 key (94027907072 EXTENT_ITEM 524288) itemoff 12400 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 102 key (94028431360 EXTENT_ITEM 524288) itemoff 12363 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 103 key (94028955648 EXTENT_ITEM 524288) itemoff 12326 itemsize 37 >>>>>> refs 1 gen 13102073 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 104 key (94029479936 EXTENT_ITEM 524288) itemoff 12289 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 105 key (94030004224 EXTENT_ITEM 524288) itemoff 12252 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 106 key (94030528512 EXTENT_ITEM 524288) itemoff 12215 itemsize 37 >>>>>> refs 1 gen 48 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 107 key (94031052800 EXTENT_ITEM 524288) itemoff 12178 itemsize 37 >>>>>> refs 1 gen 17409 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 108 key (94031577088 EXTENT_ITEM 524288) itemoff 12141 itemsize 37 >>>>>> refs 1 gen 11450200 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 109 key (94032101376 EXTENT_ITEM 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item 115 key (94035247104 EXTENT_ITEM 524288) itemoff 11882 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 116 key (94035771392 EXTENT_ITEM 524288) itemoff 11845 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 117 key (94036295680 EXTENT_ITEM 524288) itemoff 11808 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 118 key (94036819968 EXTENT_ITEM 524288) itemoff 11771 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 119 key (94037344256 EXTENT_ITEM 524288) itemoff 11734 itemsize 37 >>>>>> refs 1 gen 13102073 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 120 key (94037868544 EXTENT_ITEM 524288) itemoff 11697 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 121 key (94038392832 EXTENT_ITEM 524288) itemoff 11660 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 122 key (94038917120 EXTENT_ITEM 524288) itemoff 11623 itemsize 37 >>>>>> refs 1 gen 48 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 123 key (94039441408 EXTENT_ITEM 524288) itemoff 11586 itemsize 37 >>>>>> refs 1 gen 12545 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 124 key (94039965696 EXTENT_ITEM 524288) itemoff 11549 itemsize 37 >>>>>> refs 1 gen 11455064 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 125 key (94040489984 EXTENT_ITEM 524288) itemoff 11512 itemsize 37 >>>>>> refs 1 gen 75270766592 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 126 key (94041014272 EXTENT_ITEM 524288) itemoff 11475 itemsize 37 >>>>>> refs 1 gen 16384 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 127 key (94041538560 EXTENT_ITEM 524288) itemoff 11438 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 128 key (94042062848 EXTENT_ITEM 524288) itemoff 11401 itemsize 37 >>>>>> refs 1 gen 10 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 129 key (94042587136 EXTENT_ITEM 524288) itemoff 11364 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 130 key (94043111424 EXTENT_ITEM 524288) itemoff 11327 itemsize 37 >>>>>> refs 1 gen 16290360 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 131 key (94043635712 EXTENT_ITEM 524288) itemoff 11290 itemsize 37 >>>>>> refs 1 gen 256 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 132 key (94044160000 EXTENT_ITEM 524288) itemoff 11253 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 133 key (94044684288 EXTENT_ITEM 524288) itemoff 11216 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 134 key (94045208576 EXTENT_ITEM 524288) itemoff 11179 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 135 key (94045732864 EXTENT_ITEM 524288) itemoff 11142 itemsize 37 >>>>>> refs 1 gen 13102073 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 136 key (94046257152 EXTENT_ITEM 524288) itemoff 11105 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 137 key (94046781440 EXTENT_ITEM 524288) itemoff 11068 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 138 key (94047305728 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count 1 >>>>>> item 144 key (94050451456 EXTENT_ITEM 524288) itemoff 10809 itemsize 37 >>>>>> refs 1 gen 10 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 145 key (94050975744 EXTENT_ITEM 524288) itemoff 10772 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 146 key (94051500032 EXTENT_ITEM 524288) itemoff 10735 itemsize 37 >>>>>> refs 1 gen 16290360 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 147 key (94052024320 EXTENT_ITEM 524288) itemoff 10698 itemsize 37 >>>>>> refs 1 gen 197656320 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 148 key (94052548608 EXTENT_ITEM 524288) itemoff 10661 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 149 key (94053072896 EXTENT_ITEM 524288) itemoff 10624 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 150 key (94053597184 EXTENT_ITEM 524288) itemoff 10587 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 151 key (94054121472 EXTENT_ITEM 524288) itemoff 10550 itemsize 37 >>>>>> refs 1 gen 13102073 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 152 key (94054645760 EXTENT_ITEM 524288) itemoff 10513 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 153 key (94055170048 EXTENT_ITEM 524288) itemoff 10476 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 154 key (94055694336 EXTENT_ITEM 524288) itemoff 10439 itemsize 37 >>>>>> refs 1 gen 48 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 155 key (94056218624 EXTENT_ITEM 524288) itemoff 10402 itemsize 37 >>>>>> refs 1 gen 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itemoff 10180 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 162 key (94059888640 EXTENT_ITEM 524288) itemoff 10143 itemsize 37 >>>>>> refs 1 gen 13839800 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 163 key (94060412928 EXTENT_ITEM 524288) itemoff 10106 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 164 key (94060937216 EXTENT_ITEM 524288) itemoff 10069 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 165 key (94061461504 EXTENT_ITEM 524288) itemoff 10032 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 166 key (94061985792 EXTENT_ITEM 524288) itemoff 9995 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 167 key (94062510080 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1 >>>>>> item 173 key (94065655808 EXTENT_ITEM 524288) itemoff 9736 itemsize 37 >>>>>> refs 1 gen 11327176 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 174 key (94066180096 EXTENT_ITEM 524288) itemoff 9699 itemsize 37 >>>>>> refs 1 gen 75263459328 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 175 key (94066704384 EXTENT_ITEM 524288) itemoff 9662 itemsize 37 >>>>>> refs 1 gen 16384 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 176 key (94067228672 EXTENT_ITEM 524288) itemoff 9625 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 177 key (94067752960 EXTENT_ITEM 524288) itemoff 9588 itemsize 37 >>>>>> refs 1 gen 10 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 178 key (94068277248 EXTENT_ITEM 524288) itemoff 9551 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 179 key (94068801536 EXTENT_ITEM 524288) itemoff 9514 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 180 key (94069325824 EXTENT_ITEM 524288) itemoff 9477 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 181 key (94069850112 EXTENT_ITEM 524288) itemoff 9440 itemsize 37 >>>>>> refs 1 gen 14688633 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 182 key (94070374400 EXTENT_ITEM 524288) itemoff 9403 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 183 key (94070898688 EXTENT_ITEM 233472) itemoff 9366 itemsize 37 >>>>>> refs 1 gen 48 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 184 key (94071132160 EXTENT_ITEM 69632) itemoff 9329 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> item 185 key (94071205888 EXTENT_ITEM 8192) itemoff 9292 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186685952 count 1 >>>>>> item 186 key (94071214080 EXTENT_ITEM 8192) itemoff 9255 itemsize 37 >>>>>> refs 1 gen 12746457 flags DATA >>>>>> shared data backref parent 1079186685952 count 1 >>>>>> item 187 key (94071222272 EXTENT_ITEM 4096) itemoff 9218 itemsize 37 >>>>>> refs 1 gen 10 flags DATA >>>>>> shared data backref parent 1079186653184 count 1 >>>>>> item 188 key (94071226368 EXTENT_ITEM 12288) itemoff 9181 itemsize 37 >>>>>> refs 1 gen 3691922 flags DATA >>>>>> shared data backref parent 1080080089088 count 1 >>>>>> item 189 key (94071238656 EXTENT_ITEM 524288) itemoff 9144 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 190 key (94071762944 EXTENT_ITEM 524288) itemoff 9107 itemsize 37 >>>>>> refs 1 gen 1537 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 191 key (94072287232 EXTENT_ITEM 524288) itemoff 9070 itemsize 37 >>>>>> refs 1 gen 13726920 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 192 key (94072811520 EXTENT_ITEM 524288) itemoff 9033 itemsize 37 >>>>>> refs 1 gen 75208720384 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 193 key (94073335808 EXTENT_ITEM 524288) itemoff 8996 itemsize 37 >>>>>> refs 1 gen 16384 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 194 key (94073860096 EXTENT_ITEM 524288) itemoff 8959 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 195 key (94074384384 EXTENT_ITEM 524288) itemoff 8922 itemsize 37 >>>>>> refs 1 gen 2108088 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 196 key (94074908672 EXTENT_ITEM 524288) itemoff 8885 itemsize 37 >>>>>> refs 1 gen 0 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 197 key (94075432960 EXTENT_ITEM 524288) itemoff 8848 itemsize 37 >>>>>> refs 1 gen 140287904167864 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 198 key (94075957248 EXTENT_ITEM 524288) itemoff 8811 itemsize 37 >>>>>> refs 1 gen 13722329 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 199 key (94076481536 EXTENT_ITEM 524288) itemoff 8774 itemsize 37 >>>>>> refs 1 gen 18446744073709551606 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 200 key (94077005824 EXTENT_ITEM 524288) itemoff 8737 itemsize 37 >>>>>> refs 1 gen 1 flags DATA >>>>>> shared data backref parent 1079186604032 count 1 >>>>>> item 201 key (94077530112 EXTENT_ITEM 524288) itemoff 8700 itemsize 37 >>>>>> refs 1 gen 48 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> item 202 key (94078054400 EXTENT_ITEM 524288) itemoff 8663 itemsize 37 >>>>>> refs 1 gen 6433 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> item 203 key (94078578688 EXTENT_ITEM 524288) itemoff 8626 itemsize 37 >>>>>> refs 1 gen 13535032 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> item 204 key (94079102976 EXTENT_ITEM 524288) itemoff 8589 itemsize 37 >>>>>> refs 1 gen 75207835648 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> item 205 key (94079627264 EXTENT_ITEM 364544) itemoff 8552 itemsize 37 >>>>>> refs 1 gen 16384 flags DATA >>>>>> shared data backref parent 1079186620416 count 1 >>>>>> >>>>>> I'm kindly asking for help to fix this FS. >>>>>> I also would like to know the way to prevent and fix such kind of >>>>>> issues (except to never forcefully power off OS during IO-intensive >>>>>> operations). >>>>>> >>>>>> Thanks everyone! >>>>>> >>>>> >>>> >>>> >>> >> >> >> -- >> Kind regards, >> Vladimir. > > >
Attachment:
signature.asc
Description: OpenPGP digital signature
