I found some error messages, In the dmesg, Maybe it's useful for you
to diagnose the problem!
.......
hda: Host Protected Area disabled.
hda: 39102336 sectors (20020 MB) w/2048KiB Cache, CHS=38792/16/63, UDMA(100)
hda: cache flushes not supported
hda: hda1 hda2 hda3 hda4 < hda5 hda6 hda7 >
hdb: max request size: 128KiB
hdb: 78165360 sectors (40020 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
hdb: cache flushes not supported
hdb: hdb1 hdb2 < hdb5 hdb6 hdb7 >
hdc: ATAPI 48X CD-ROM drive, 120kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
device-mapper: 4.6.0-ioctl (2006-02-17) initialised: [EMAIL PROTECTED]
ide-cd: cmd 0x28 timed out
hdc: DMA interrupt recovery
hdc: lost interrupt
hdc: status timeout: status=0xd0 { Busy }
ide: failed opcode was: unknown
hdc: DMA disabled
hdc: drive not ready for command
hdc: ATAPI reset complete
device-mapper: snapshot is marked invalid
Attempting manual resume
SGI XFS with ACLs, security attributes, realtime, large block numbers,
no debug enabled
SGI XFS Quota Management subsystem
XFS mounting filesystem dm-9
Ending clean XFS mount for filesystem: dm-9
00:01: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:02: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel i845 Chipset.
agpgart: AGP aperture is 64M @ 0xf4000000
PCI: Setting latency timer of device 0000:00:1f.5 to 64
Real Time Clock Driver v1.12ac
input: PC Speaker as /class/input/input1
intel8x0_measure_ac97_clock: measured 55789 usecs
intel8x0: clocking to 41145
Intel 810 + AC97 Audio, version 1.01, 16:56:33 Sep 13 2006
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
hw_random: RNG not detected
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378 (0x778), irq 7, using FIFO
[PCSPP,TRISTATE,COMPAT,ECP]
input: ImExPS/2 Generic Explorer Mouse as /class/input/input2
ts: Compaq touchscreen protocol output
mice: PS/2 mouse device common for all mice
Filesystem "dm-9": Disabling barriers, not supported by the underlying device
loop: loaded (max 8 devices)
Filesystem "dm-6": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-6
Ending clean XFS mount for filesystem: dm-6
Filesystem "dm-3": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-3
Ending clean XFS mount for filesystem: dm-3
Filesystem "dm-2": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-2
Ending clean XFS mount for filesystem: dm-2
Filesystem "dm-1": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-1
Ending clean XFS mount for filesystem: dm-1
Filesystem "dm-4": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-4
Ending clean XFS mount for filesystem: dm-4
Filesystem "dm-7": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-7
Ending clean XFS mount for filesystem: dm-7
Filesystem "dm-5": Disabling barriers, not supported by the underlying device
XFS mounting filesystem dm-5
Ending clean XFS mount for filesystem: dm-5
Adding 1023992k swap on /dev/mapper/diskvg-swaplv. Priority:-1
extents:1 across:1023992k
eth0: setting full-duplex.
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present
Buffer I/O error on device dm-11, logical block 765936
Buffer I/O error on device dm-11, logical block 765936
Buffer I/O error on device dm-11, logical block 0
Buffer I/O error on device dm-11, logical block 1
Buffer I/O error on device dm-11, logical block 2
Buffer I/O error on device dm-11, logical block 3
Buffer I/O error on device dm-11, logical block 4
Buffer I/O error on device dm-11, logical block 5
Buffer I/O error on device dm-11, logical block 6
Buffer I/O error on device dm-11, logical block 7
printk: 10 messages suppressed.
Buffer I/O error on device dm-11, logical block 765936
Buffer I/O error on device dm-11, logical block 765936
XFS: unknown mount option [uuid].
2006/9/27, bowen zheng <[EMAIL PROTECTED]>:
Help about LVM, lv status inactive Original and inactive Snapshot
Everything seems to work fine. But I found this
shell> lvscan
/dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error
..................
inactive Original '/dev/diskvg/rootlv' [2.92 GB] inherit
inactive Snapshot '/dev/diskvg/lvsnapshot' [100.00 MB] inherit
........
How can I active the rootlv and lvsnapshort. And what does the inactive mean?
When I mount the lvsnapshort, and backup it. It always shows many IO
errors (both use tar and rsync). How do I backup the lvsnapshort.
I try to use lvchange -ay to reactive the lv, but it shows error!
shell> lvchange -ay /dev/diskvg/lvsnapshot
/dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error
Can't change snapshot logical volume "lvsnapshot"
shell> lvchange -ay /dev/diskvg/rootlv
/dev/diskvg/lvsnapshot: read failed after 0 of 4096 at 0: Input/output error
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