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| author | Jonathan Brassow <jbrassow@redhat.com> | 2012-06-26 09:44:54 -0500 |
|---|---|---|
| committer | Jonathan Brassow <jbrassow@redhat.com> | 2012-06-26 09:44:54 -0500 |
| commit | 8767435ef847831455fadc1f7e8f4d2d94aef0d5 (patch) | |
| tree | 8c3d3b3c0d12a55fab388ed9cf1a9919e8815720 /tools | |
| parent | bf81d5607a47eb0bf3963be54f4b765b2d24b895 (diff) | |
| download | lvm2-8767435ef847831455fadc1f7e8f4d2d94aef0d5.tar.gz lvm2-8767435ef847831455fadc1f7e8f4d2d94aef0d5.tar.xz lvm2-8767435ef847831455fadc1f7e8f4d2d94aef0d5.zip | |
RAID: Fix extending size of RAID 4/5/6 logical volumes.
Reducing a RAID 4/5/6 LV or extending it with a different number of
stripes is still not implemented. This patch covers the "simple" case
where the LV is extended with the same number of stripes as the orginal.
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/lvresize.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/lvresize.c b/tools/lvresize.c index 55d1334d..64474e07 100644 --- a/tools/lvresize.c +++ b/tools/lvresize.c @@ -598,11 +598,12 @@ static int _lvresize(struct cmd_context *cmd, struct volume_group *vg, * and data LV could be any type (i.e. mirror)) */ dm_list_iterate_items(seg, seg_mirrors ? &seg_lv(mirr_seg, 0)->segments : lv_is_thin_pool(lv) ? &seg_lv(first_seg(lv), 0)->segments : &lv->segments) { - if (!seg_is_striped(seg)) + if (!seg_is_striped(seg) && + (!seg_is_raid(seg) || seg_is_mirrored(seg))) continue; sz = seg->stripe_size; - str = seg->area_count; + str = seg->area_count - lp->segtype->parity_devs; if ((seg_stripesize && seg_stripesize != sz && sz && !lp->stripe_size) || @@ -618,6 +619,11 @@ static int _lvresize(struct cmd_context *cmd, struct volume_group *vg, if (!lp->stripes) lp->stripes = seg_stripes; + else if (seg_is_raid(first_seg(lv)) && + (lp->stripes != seg_stripes)) { + log_error("Unable to extend \"%s\" segment type with different number of stripes.", first_seg(lv)->segtype->name); + return ECMD_FAILED; + } if (!lp->stripe_size && lp->stripes > 1) { if (seg_stripesize) { |