Bug 1777000
| Summary: | lvconvert or lvchange command needs to load dm-writecache module if not already loaded | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Corey Marthaler <cmarthal> |
| Component: | lvm2 | Assignee: | LVM and device-mapper development team <lvm-team> |
| lvm2 sub component: | Command-line tools | QA Contact: | cluster-qe <cluster-qe> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | medium | ||
| Priority: | unspecified | CC: | agk, heinzm, jbrassow, mcsontos, msnitzer, pasik, prajnoha, rhandlin, teigland, thornber, zkabelac |
| Version: | 8.2 | ||
| Target Milestone: | rc | ||
| Target Release: | 8.0 | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | lvm2-2.03.07-1.el8 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-04-28 16:58:59 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: | |||
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Description
Corey Marthaler
2019-11-26 17:10:14 UTC
pushed fix to master https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=1c9b36618ec8357350ed4d83c807ae0bf27a12be Fix verified in the latest rpms. kernel-4.18.0-167.el8 BUILT: Sat Dec 14 19:43:52 CST 2019 lvm2-2.03.07-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 lvm2-libs-2.03.07-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 device-mapper-1.02.167-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 device-mapper-libs-1.02.167-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 device-mapper-event-1.02.167-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 device-mapper-event-libs-1.02.167-1.el8 BUILT: Mon Dec 2 00:09:32 CST 2019 [root@hayes-02 ~]# lsmod | grep write [root@hayes-02 ~]# vgcreate seven /dev/sd[ik]1 Physical volume "/dev/sdi1" successfully created. Physical volume "/dev/sdk1" successfully created. Volume group "seven" successfully created [root@hayes-02 ~]# lvcreate -L 1G -n origin seven /dev/sdi1 Logical volume "origin" created. [root@hayes-02 ~]# lvcreate -L 200M -n wpool seven /dev/sdk1 Logical volume "wpool" created. [root@hayes-02 ~]# lvchange -an seven [root@hayes-02 ~]# lvconvert --yes --type writecache --cachevol seven/wpool seven/origin Logical volume seven/origin now has write cache. [root@hayes-02 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Meta% Devices origin seven Cwi---C--- 1.00g [wpool_cvol] [origin_wcorig] origin_wcorig(0) [origin_wcorig] seven owi---C--- 1.00g /dev/sdi1(0) [wpool_cvol] seven Cwi---C--- 200.00m /dev/sdk1(0) [root@hayes-02 ~]# lvchange -ay seven/origin Jan 6 10:23:47 hayes-02 kernel: TECH PREVIEW: DM writecache may not be fully supported.#012Please review provided documentation for limitations. [root@hayes-02 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Meta% Devices origin seven Cwi-a-C--- 1.00g [wpool_cvol] [origin_wcorig] origin_wcorig(0) [origin_wcorig] seven owi-aoC--- 1.00g /dev/sdi1(0) [wpool_cvol] seven Cwi-aoC--- 200.00m /dev/sdk1(0) [root@hayes-02 ~]# lsmod | grep write dm_writecache 36864 1 dm_mod 151552 11 dm_multipath,dm_writecache 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/RHEA-2020:1881 |