RHBA-2011:0725 - Bug Fix Advisory

Topic

Updated device-mapper-multipath packages that fix several bugs and add various
enhancements are now available for Red Hat Enterprise Linux 6.

Description

The device-mapper-multipath packages provide tools to manage multipath devices
using the device-mapper multipath kernel module.

These updated device-mapper-multipath packages include numerous bug fixes and
enhancements. Space precludes documenting all of these changes in this advisory.
Users are directed to the Red Hat Enterprise Linux 6.1 Technical Notes for
information on the most significant of these changes:

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/index.html

All device-mapper-multipath users are advised to upgrade to these updated
packages, which provide numerous bug fixes and enhancements.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 623644 - multipathd consumes ten times more memory than on rhel5
• BZ - 636071 - mpathconf command is not behaving as per man page
• BZ - 636213 - 6.1Feat: new dm-multipath entry for HP P2000 arrays
• BZ - 636246 - built-in dm-multipath entry separate out HP OPEN device by itself
• BZ - 639037 - Cable pull test results in multipath slow response. **Testing stopped**
• BZ - 644111 - server with rc1 hangs with call trace during boot up
• BZ - 650797 - [NetApp 6.1 bug] "multipath -v3" displays tgt_node_name as blank for iscsi devices
• BZ - 651389 - [NetApp 6.1 bug] Unable to set dev_loss_tmo to more than 600 through multipath.conf without setting fast_io_fail_tmo
• BZ - 680480 - multipathd SEGV in sysfs_get_timeout() during double path failure
• BZ - 681144 - [NetApp 6.0.z Bug] DM-Multipath fails to update paths during IO with fabric faults
• BZ - 696157 - [NetApp 6.1 Bug] multipathd crashes occasionally during IO with fabric faults

CVEs

(none)

References

• https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/index.html