Bug 1189215
| Summary: | LVM Thin: Handle out of space conditions better | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Jonathan Earl Brassow <jbrassow> |
| Component: | lvm2 | Assignee: | Zdenek Kabelac <zkabelac> |
| lvm2 sub component: | Thin Provisioning | QA Contact: | cluster-qe <cluster-qe> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | unspecified | ||
| Priority: | unspecified | CC: | agk, cmarthal, heinzm, jbrassow, msnitzer, nperic, prajnoha, prockai, thornber, zkabelac |
| Version: | 7.1 | ||
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | lvm2-2.02.125-1.el7 | Doc Type: | Enhancement |
| Doc Text: |
Feature:
Improve handling of thin-pool better when pool is over provisioning available space.
Reason:
Thin-pool is always going to cause some troubles when user hits end of available free space and there is no more to add. So lvm2 should inform user about possible problems.
Result:
Lvm2 has code to check free space in thin-pool and warn in the case autoresize is not configured, or the total space in VG might not be enough to satisfy space requirements.
Thin pools with used space over threshold do not allow creation of any new thin volumes
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-11-19 12:46:06 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
Jonathan Earl Brassow
2015-02-04 17:10:04 UTC
Tool now detects overprovisioning of thin-pool and if the space in thin-pool is not enough and the threshold for thin-pool resize is still having 'default' 100% value - tool will issue WARNING to a user. https://www.redhat.com/archives/lvm-devel/2015-July/msg00013.html (patch includes tests for warning messaging in numerous conditions) Many items were discussed in comment #0 of this RFE, however according to comment #3 only one (item number 2) was actually implemented. Marking this verified for that *one* item only. [root@host-116 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert Devices root rhel_host-116 -wi-ao---- 6.67g /dev/vda2(205) swap rhel_host-116 -wi-ao---- 820.00m /dev/vda2(0) POOL snapper_thinp twi-aot--- 1.00g 0.04 1.66 POOL_tdata(0) [POOL_tdata] snapper_thinp Twi-ao---- 1.00g /dev/sdh1(1) [POOL_tmeta] snapper_thinp ewi-ao---- 4.00m /dev/sdf1(0) display_snap snapper_thinp Vwi-a-t--- 1.00g POOL origin 0.01 [lvol0_pmspare] snapper_thinp ewi------- 4.00m /dev/sdh1(0) origin snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 other1 snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 other2 snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 other3 snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 other4 snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 other5 snapper_thinp Vwi-a-t--- 1.00g POOL 0.01 [root@host-116 ~]# lvcreate --virtualsize 1G -T snapper_thinp/POOL -n other6 WARNING: Sum of all thin volume sizes (8.00 GiB) exceeds the size of thin pool snapper_thinp/POOL (1.00 GiB)! For thin pool auto extension activation/thin_pool_autoextend_threshold should be below 100. Logical volume "other6" created. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2015-2147.html |