On Feb 25, 2014, at 4:22 PM, Nate Dailey wrote: > Here's what I've done to reproduce this: > > - remove a disk containing one leg of an LVM raid1 mirror > - do enough IO that a lengthy recovery will be required > - insert the removed disk > - let recovery begin, but deactivate the LV before it completes > - activate the LV > > This is the point where the recovery should start back up, but it doesn't. I haven't tried this in a few weeks, but am happy to try it again if it would help. Confirmed (test output below). I'll get started on this. This code can be a bit tricky and I've been away from it for a while. It will take me a bit to re-familiarize myself with it and review your patch. thanks, brassow [root@bp-02 ~]# lvs -a -o name,attr,size,sync_percent vg LV Attr LSize Cpy%Sync raid1 Rwi-a-r--- 300.00g 100.00 [raid1_rimage_0] iwi-aor--- 300.00g [raid1_rimage_1] iwi-aor--- 300.00g [raid1_rmeta_0] ewi-aor--- 4.00m [raid1_rmeta_1] ewi-aor--- 4.00m [root@bp-02 ~]# off.sh sda Turning off sda [root@bp-02 ~]# dd if=/dev/zero of=/dev/vg/raid1 bs=4M count=10000 10000+0 records in 10000+0 records out 41943040000 bytes (42 GB) copied, 147.139 s, 285 MB/s [root@bp-02 ~]# on.sh sda Turning on sda [root@bp-02 ~]# lvs -a -o name,attr,size,sync_percent vg LV Attr LSize Cpy%Sync raid1 Rwi-a-r-r- 300.00g 100.00 [raid1_rimage_0] iwi-aor-r- 300.00g [raid1_rimage_1] iwi-aor--- 300.00g [raid1_rmeta_0] ewi-aor-r- 4.00m [raid1_rmeta_1] ewi-aor--- 4.00m [root@bp-02 ~]# lvchange --refresh vg/raid1 [root@bp-02 ~]# lvs -a -o name,attr,size,sync_percent vg LV Attr LSize Cpy%Sync raid1 Rwi-a-r--- 300.00g 0.00 [raid1_rimage_0] Iwi-aor--- 300.00g [raid1_rimage_1] iwi-aor--- 300.00g [raid1_rmeta_0] ewi-aor--- 4.00m [raid1_rmeta_1] ewi-aor--- 4.00m [root@bp-02 ~]# lvs -a -o name,attr,size,sync_percent vg LV Attr LSize Cpy%Sync raid1 Rwi-a-r--- 300.00g 0.29 [raid1_rimage_0] Iwi-aor--- 300.00g [raid1_rimage_1] iwi-aor--- 300.00g [raid1_rmeta_0] ewi-aor--- 4.00m [raid1_rmeta_1] ewi-aor--- 4.00m [root@bp-02 ~]# lvchange -an vg [root@bp-02 ~]# lvchange -ay vg; lvs -a -o name,attr,size,sync_percent vg LV Attr LSize Cpy%Sync raid1 Rwi-a-r--- 300.00g 100.00 [raid1_rimage_0] iwi-aor--- 300.00g [raid1_rimage_1] iwi-aor--- 300.00g [raid1_rmeta_0] ewi-aor--- 4.00m [raid1_rmeta_1] ewi-aor--- 4.00m -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
