On Sun, 2007-02-18 at 20:05 +0100, Jordi Prats wrote: > Hello, > I've found more errors using lvm commands. This time using vgdisplay and > lvdisplay: > > # vgdisplay > /dev/sdb: read failed after 0 of 4096 at 0: Input/output error > /dev/sde: read failed after 0 of 4096 at 0: Input/output error > /dev/sdf: read failed after 0 of 4096 at 0: Input/output error > /dev/sdg: read failed after 0 of 4096 at 0: Input/output error > /dev/sdi: read failed after 0 of 4096 at 0: Input/output error > /dev/sdk: read failed after 0 of 4096 at 0: Input/output error > /dev/sdl: read failed after 0 of 4096 at 0: Input/output error > /dev/sdp: read failed after 0 of 4096 at 0: Input/output error > --- Volume group --- > (...) > > # lvdisplay > /dev/sdb: read failed after 0 of 4096 at 0: Input/output error > /dev/sde: read failed after 0 of 4096 at 0: Input/output error > /dev/sdf: read failed after 0 of 4096 at 0: Input/output error > /dev/sdg: read failed after 0 of 4096 at 0: Input/output error > /dev/sdi: read failed after 0 of 4096 at 0: Input/output error > /dev/sdk: read failed after 0 of 4096 at 0: Input/output error > /dev/sdl: read failed after 0 of 4096 at 0: Input/output error > /dev/sdp: read failed after 0 of 4096 at 0: Input/output error > --- Logical volume --- > (...) > > I don't know what is causing this. Anyone can help me with this problem? > > Thank you! > Jordi > What kind of storage do you have? This might happen if you have an active/passive storage array. The passive paths won't accept I/O, but will show up in a device list. LVM (and other processes/threads) tries to do I/O to all devices (unless they are filtered out in /etc/lvm.conf), and so you get I/O errors. > Jordi Prats wrote: > > Hi all, > > I've found that all vgscan is giving me an error. This is the output: > > > > # vgscan -v > > Wiping cache of LVM-capable devices > > Wiping internal VG cache > > Reading all physical volumes. This may take a while... > > Finding all volume groups > > /dev/dm-4: read failed after 0 of 4096 at 12989693952: Input/output error > > /dev/dm-4: read failed after 0 of 4096 at 0: Input/output error > > Finding volume group "padicat" > > Found volume group "padicat" using metadata type lvm2 > > Finding volume group "vg_bbdd" > > Found volume group "vg_bbdd" using metadata type lvm2 > > Finding volume group "vg_ordal" > > Found volume group "vg_ordal" using metadata type lvm2 > > > > Any idea what this "Input/output error" on /dev/dm-4 does it means? What > > is causing this error? > > > > Thank you! > > > _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
