From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k8QERWfN030236 for ; Tue, 26 Sep 2006 10:27:32 -0400 Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.238]) by mx3.redhat.com (8.13.1/8.13.1) with ESMTP id k8QERQmO032647 for ; Tue, 26 Sep 2006 10:27:26 -0400 Received: by wx-out-0506.google.com with SMTP id i30so4038218wxd for ; Tue, 26 Sep 2006 07:27:21 -0700 (PDT) Message-ID: <625ccb870609260727n55f0cae9ga67efc01dda6779@mail.gmail.com> Date: Tue, 26 Sep 2006 22:27:20 +0800 From: "bowen zheng" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: [linux-lvm] I found some error messages, In the dmesg, Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: linux-lvm@redhat.com 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: dm-devel@redhat.com 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]. 2006/9/26, bowen zheng : > 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 > > > > 2006/9/26, bowen zheng : > > 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. > > > > > > Thanks.... > > >