On Tue, 2 Apr 2013 14:04:52 +0600 Roman Mamedov <rm@xxxxxxxxxx> wrote: > With kernel 3.7.10 patched with "Btrfs: limit the global reserve to 512mb". > (the problem was occuring also without this patch, but seemed to be even worse). > > At the start of balance: > > Data: total=31.85GB, used=9.96GB > System: total=4.00MB, used=16.00KB > Metadata: total=1.01GB, used=696.17MB > > "btrfs balance start -musage=5 -dusage=5" is going on for about 50 minutes > > Current situation: > > Balance on '/mnt/r1/' is running > 1 out of about 2 chunks balanced (20 considered), 50% left > > Data: total=30.85GB, used=10.04GB > System: total=4.00MB, used=16.00KB > Metadata: total=1.01GB, used=851.69MB About 2 hours 10 minutes into the balance, it was still going, with: Data: total=30.85GB, used=10.06GB System: total=4.00MB, used=16.00KB Metadata: total=1.01GB, used=909.16MB Stream of -28 errors continues non-stop in dmesg; At ~2hr20min looks like it decided to allocate some more space for metadata: Data: total=30.85GB, used=10.01GB System: total=4.00MB, used=16.00KB Metadata: total=2.01GB, used=748.56MB And shortly after (~ 2hr25min) it was done. After the balance: Data: total=29.85GB, used=10.01GB System: total=4.00MB, used=16.00KB Metadata: total=2.01GB, used=748.27MB -- With respect, Roman
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