[DRBD-user] recovering from "Local IO failed. Detaching..."

Gianluca Cecchi gianluca.cecchi at gmail.com
Wed Sep 16 18:34:41 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Wed, Sep 16, 2009 at 5:23 PM, Lars Ellenberg
<lars.ellenberg at linbit.com>wrote:

> [snip]
>
> keep us posted.
>
>
BTW after the drbd.conf modifications I don't get anymore the message

Sep 16 16:22:29 virtfedbis kernel: end_request: I/O error, dev cciss/c0d0,
sector 0

inside the block:

Sep 16 16:22:29 virtfedbis kernel: block drbd0: Began resync as SyncTarget
(will sync 1232704 KB [308176 bits set]).
Sep 16 16:22:29 virtfedbis kernel: block drbd0: write: error=-95 s=39967568s
Sep 16 16:22:29 virtfedbis kernel: block drbd0: Method to ensure write
ordering: flush
Sep 16 16:22:29 virtfedbis kernel: end_request: I/O error, dev cciss/c0d0,
sector 0
Sep 16 16:22:29 virtfedbis kernel: block drbd0: local disk flush failed with
status -95
Sep 16 16:22:29 virtfedbis kernel: block drbd0: Method to ensure write
ordering: drain
Sep 16 16:22:29 virtfedbis kernel: block drbd0: Resync done (total 18 sec;
paused 0 sec; 68480 K/sec)
Sep 16 16:22:29 virtfedbis kernel: block drbd0: conn( SyncTarget ->
Connected ) disk( Inconsistent -> UpToDate )

So it was indeed generated by drbd testing barriers/flushes. Now I have
only:

Sep 16 18:25:09 virtfedbis kernel: block drbd0: Began resync as SyncTarget
(will sync 942080 KB [235520 bits set]).
Sep 16 18:25:25 virtfedbis kernel: block drbd0: Resync done (total 15 sec;
paused 0 sec; 62804 K/sec)
Sep 16 18:25:25 virtfedbis kernel: block drbd0: conn( SyncTarget ->
Connected ) disk( Inconsistent -> UpToDate )

Gianluca
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