On 2019-12-20 11:53 a.m., Marc Lehmann wrote: > > Filesystem Size Used Avail Use% Mounted on > /dev/mapper/xmnt-cold15 27T 23T 0 100% /cold1 > > Overall: > Device size: 24216.49GiB > Device allocated: 20894.89GiB > Device unallocated: 3321.60GiB > Device missing: 0.00GiB > Used: 20893.68GiB > Free (estimated): 3322.73GiB (min: 1661.93GiB) > Data ratio: 1.00 > Metadata ratio: 2.00 > Global reserve: 0.50GiB (used: 0.00GiB) > > Data,single: Size:20839.01GiB, Used:20837.88GiB (99.99%) > /dev/mapper/xmnt-cold15 9288.01GiB > /dev/mapper/xmnt-cold12 7427.00GiB > /dev/mapper/xmnt-cold13 4124.00GiB > > Metadata,RAID1: Size:27.91GiB, Used:27.90GiB (99.97%) > /dev/mapper/xmnt-cold15 25.44GiB > /dev/mapper/xmnt-cold12 24.46GiB > /dev/mapper/xmnt-cold13 5.91GiB > > System,RAID1: Size:0.03GiB, Used:0.00GiB (6.69%) > /dev/mapper/xmnt-cold15 0.03GiB > /dev/mapper/xmnt-cold12 0.03GiB > > Unallocated: > /dev/mapper/xmnt-cold15 0.01GiB > /dev/mapper/xmnt-cold12 0.00GiB > /dev/mapper/xmnt-cold13 3321.59GiB > You don't need hints, the problem is right here. Your Metadata is Raid 1, (which requires minimum of 2 devices,) Your allocated metadata is full (27.90GB / 27.91 GB) and you only have 1 device left with unallocated space, so no new metadata space can be allocated until you fix that.
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