Bug 1102949
| Summary: | RFE: allow pvs in cache volumes to be vgsplit off | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Corey Marthaler <cmarthal> |
| Component: | lvm2 | Assignee: | Zdenek Kabelac <zkabelac> |
| lvm2 sub component: | Cache Logical Volumes | QA Contact: | cluster-qe <cluster-qe> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | low | ||
| Priority: | unspecified | CC: | agk, heinzm, jbrassow, mcsontos, msnitzer, pasik, prajnoha, rhandlin, zkabelac |
| Version: | 7.0 | Keywords: | FutureFeature |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | lvm2-2.02.185-1.el7 | Doc Type: | Enhancement |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-08-06 13:10:41 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: | |||
| Bug Depends On: | |||
| Bug Blocks: | 1119326, 1186924 | ||
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Description
Corey Marthaler
2014-05-29 21:35:10 UTC
Supported with stable-2.02 branch patch: https://www.redhat.com/archives/lvm-devel/2019-April/msg00061.html Verified in the latest rpms. 3.10.0-1046.el7.x86_64 lvm2-2.02.185-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 lvm2-libs-2.02.185-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 lvm2-cluster-2.02.185-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 lvm2-lockd-2.02.185-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 lvm2-python-boom-0.9-17.el7.2 BUILT: Mon May 13 04:37:00 CDT 2019 cmirror-2.02.185-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 device-mapper-1.02.158-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 device-mapper-libs-1.02.158-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 device-mapper-event-1.02.158-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 device-mapper-event-libs-1.02.158-1.el7 BUILT: Mon May 13 04:36:30 CDT 2019 device-mapper-persistent-data-0.8.1-1.el7 BUILT: Sat May 4 14:53:53 CDT 2019 [root@hayes-03 ~]# pvscan PV /dev/sdb1 VG seven lvm2 [446.62 GiB / 446.62 GiB free] PV /dev/sdc1 VG seven lvm2 [446.62 GiB / 446.62 GiB free] PV /dev/sdd1 VG seven lvm2 [446.62 GiB / 446.62 GiB free] PV /dev/sde1 VG seven lvm2 [446.62 GiB / 446.62 GiB free] PV /dev/sdf1 VG seven lvm2 [<1.82 TiB / <1.82 TiB free] PV /dev/sdi1 VG seven lvm2 [<1.82 TiB / <1.82 TiB free] Total: 6 [5.38 TiB] / in use: 6 [5.38 TiB] / in no VG: 0 [0 ] [root@hayes-03 ~]# lvcreate -L 1G -n origin seven /dev/sde1 Logical volume "origin" created. [root@hayes-03 ~]# lvcreate -L 200M -n cache seven /dev/sdi1 Logical volume "cache" created. [root@hayes-03 ~]# lvcreate -L 8M -n cache_meta seven /dev/sdi1 Logical volume "cache_meta" created. [root@hayes-03 ~]# lvconvert --yes --type cache-pool --poolmetadata seven/cache_meta seven/cache WARNING: Converting seven/cache and seven/cache_meta to cache pool's data and metadata volumes with metadata wiping. THIS WILL DESTROY CONTENT OF LOGICAL VOLUME (filesystem etc.) Converted seven/cache and seven/cache_meta to cache pool. [root@hayes-03 ~]# lvconvert --yes --type cache --cachepool seven/cache seven/origin Logical volume seven/origin is now cached. [root@hayes-03 ~]# lvs -a -o +devices Unknown feature in status: 8 18/2048 128 9/3200 0 49 0 0 0 9 0 3 metadata2 writethrough no_discard_passdown 2 migration_threshold 2048 smq 0 rw - Unknown feature in status: 8 18/2048 128 9/3200 0 49 0 0 0 9 0 3 metadata2 writethrough no_discard_passdown 2 migration_threshold 2048 smq 0 rw - LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert Devices [cache] seven Cwi---C--- 200.00m 0.28 0.88 0.00 cache_cdata(0) [cache_cdata] seven Cwi-ao---- 200.00m /dev/sdi1(0) [cache_cmeta] seven ewi-ao---- 8.00m /dev/sdi1(50) [lvol0_pmspare] seven ewi------- 8.00m /dev/sdb1(0) origin seven Cwi-a-C--- 1.00g [cache] [origin_corig] 0.28 0.88 0.00 origin_corig(0) [origin_corig] seven owi-aoC--- 1.00g /dev/sde1(0) # Verify that a cache PVs can't be split off w/o being deactivated first [root@hayes-03 ~]# vgsplit seven ten /dev/sde1 /dev/sdi1 Logical volume seven/cache_cdata (part of cache) must be inactive. [root@hayes-03 ~]# vgchange -an seven 0 logical volume(s) in volume group "seven" now active # Verify that just a single cache PV can't be split w/o the other [root@hayes-03 ~]# vgsplit seven ten /dev/sde1 Cannot split cache origin ten/origin_corig and its cache pool data seven/cache_cdata into separate VGs. # Verify cache pool and origin PVs can be split now [root@hayes-03 ~]# vgsplit seven ten /dev/sde1 /dev/sdi1 New volume group "ten" successfully split from "seven" [root@hayes-03 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert Devices [lvol0_pmspare] seven ewi------- 8.00m /dev/sdb1(0) [cache] ten Cwi---C--- 200.00m cache_cdata(0) [cache_cdata] ten Cwi------- 200.00m /dev/sdi1(0) [cache_cmeta] ten ewi------- 8.00m /dev/sdi1(50) origin ten Cwi---C--- 1.00g [cache] [origin_corig] origin_corig(0) [origin_corig] ten owi---C--- 1.00g /dev/sde1(0) FYI - a side effect of this is bug 1710096. 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://access.redhat.com/errata/RHBA-2019:2253 |