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Denis Vlasenko wrote: > On Monday 30 January 2006 15:22, Chris Mason wrote: > >>>> chown -Rc 0:<n> . >>>> >>>>in a top directory of tree containing ~21938 files >>>>on reiser3 partition: >>>> >>>> /dev/sdc3 on /.3 type reiserfs (rw,noatime) >>>> >>>>causes oom kill storm. "ls -lR", "find ." etc work fine. >> >>In order for the journaled filesystems to make sure the FS is consistent after >>a crash, we need to keep some blocks in memory until other blocks have been >>written. These blocks are pinned, and can't be freed until a certain amount >>of io is done. >> >>In the case of reiserfs, it might pin as much as the size of the journal at >>any time. The default journal is 32MB, which is much too large for a system >>with only 32MB of ram. >> >>You can shrink the log of an existing filesystem. The minimum size is 513 >>blocks, you might try 1024 as a good starting poing. >> >>reiserfstune -s 1024 /dev/xxxx > > > I had reiserfsprogs 3.6.11 and reiserfstune (above command) made my /dev/sdc3 > unmountable without -t reiserfs. I upgraded reiserfsprogs to 3.6.19 and now > reiserfsck /dev/sdc3 reports no problems, but mount problem persists: > > # mount -t reiserfs /dev/sdc3 /.3 > # umount /.3 > # mount /dev/sdc3 /.3 > mount: you must specify the filesystem type > # dmesg | tail -3 > br: port 1(ifi) entering forwarding state > FAT: bogus number of reserved sectors > VFS: Can't find a valid FAT filesystem on dev sdc3. > > "chown -Rc <n>:<m> ." now does not OOM kill the box, so this issue > is resolved, thanks! > > Can I restore sdc3 somehow that I won't need -t reiserfs in mount command? > You can find result of > > dd if=/dev/sdc3 of=1m bs=1M count=1 > > at http://195.66.192.167/linux/1m At the risk of stating the obvious: 1 - is reaser a module, and is it loaded? 2 - did this ever work? I think you said you removed the entry from fstab, was the filetype there which made it work? -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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