[linux-lvm] LVM seems to break tar and cp "stay-local" option s
Michael Marxmeier
mike at msede.com
Wed Jan 26 02:52:14 UTC 2000
Andi Kleen wrote:
> This could explain some NFS failures too. dev_t is part of the nfs
> filehandle given out by knfsd, when two LVs with different file systems
> have the same dev_t it may chose another file with the same inode number.
> Normally it does not matter because knfsd maintains a fh cache that has the
> right file, but when the cache overflows or the nfs server is rebooted
> it could access the file with the same ino on the wrong LV afterwards :/
st_dev looks fine to me (st_rdev looks inconsistent with libc5 for
non dev files).
SuSE 6.3 (glibc 2.1.2), LVM 0.8i:
$ df /usr /var
Filesystem 1k-blocks Used Available Use% Mounted on
/dev/vg00/usr 2031360 783652 1142852 41% /usr
/dev/vg00/var 253920 30048 210768 12% /var
$ ./stat /usr/bin/host /var/tmp/vi.recover
dev=3a00 ino=33505 mode=100755 rdev=0 /usr/bin/host
dev=3a02 ino=32809 mode=41777 rdev=0 /var/tmp/vi.recover
$ ls -l /dev/vg00
...
brw-r----- 1 root root 58, 0 Dec 23 01:39 usr
brw-r----- 1 root root 58, 2 Dec 23 01:39 var
SuSE 5.x (libc5), LVM 0.7:
$ df /mnt3
Filesystem 1024-blocks Used Available Capacity Mounted on
/dev/vg00/lvol1 4098376 3605796 281024 93% /mnt3
$ ./stat /mnt3/db/db01.vol
dev=3a00 ino=384770 mode=100600 rdev=84b /mnt3/db/db01.vol
$ ls -l /dev/vg00
...
brw-r----- 1 root root 58, 0 Nov 19 08:26 lvol1
Michael
--
Michael Marxmeier Marxmeier Software AG
E-Mail: mike at msede.com Besenbruchstrasse 9
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