Patch-ID# 110405-06 Keywords: snapshots online ufsdump deadlock offset read panic Synopsis: SunOS 5.8_x86: /usr/kernel/drv/fssnap patch Date: Sep/08/2004 Install Requirements: Install in Single User Mode Reboot immediately after patch is installed Solaris Release: 8_x86 SunOS Release: 5.8_x86 Unbundled Product: Unbundled Release: Xref: This patch available for SPARC as patch 110382 Topic: SunOS 5.8_x86: /usr/kernel/drv/fssnap patch Relevant Architectures: i386 BugId's fixed with this patch: 4296770 4413947 4458970 4670300 4769472 4896149 4905701 4915782 Changes incorporated in this version: 4458970 4896149 4915782 Patches accumulated and obsoleted by this patch: 110247-01 Patches which conflict with this patch: Patches required with this patch: Obsoleted by: Files included with this patch: /etc/minor_perm /etc/name_to_major /usr/include/sys/fssnap.h /usr/kernel/drv/fssnap /usr/kernel/drv/fssnap.conf /usr/lib/adb/cow_info /usr/lib/adb/cow_map /usr/lib/adb/cow_map_node /usr/lib/adb/snapshot_id /usr/lib/devfsadm/linkmod/SUNW_fssnap_link.so /usr/lib/fs/ufs/fssnap Problem Description: 4458970 deadlock encountered when deleting a snapshot 4896149 panic'd in fssnap_delete_impl() while deleting a snapshot 4915782 snapshot create hangs waiting for page lock (from 110405-05) 4905701 fssnap allows partial block reads without tidying them up (from 110405-04) 4670300 fssnap segfaults on big FS if backing store doesn't support large files (from 110405-03) 4769472 file offset of /dev/fssnap too large from ufsdump read causes panic (from 110405-02) 4413947 deadlock possible when reading from snapshot (from 110405-01) This patch revision was generated to accumulate and obsolete the feature changes introduced in point patch 110247-01. (from 110247-01) 4296770 file systems should support snapshots for online backups Patch Installation Instructions: -------------------------------- For Solaris 2.0-2.6 releases, refer to the Install.info file and/or the README within the patch for instructions on using the generic 'installpatch' and 'backoutpatch' scripts provided with each patch. For Solaris 7-9 releases, refer to the man pages for instructions on using 'patchadd' and 'patchrm' scripts provided with Solaris. Any other special or non-generic installation instructions should be described below as special instructions. The following example installs a patch to a standalone machine: example# patchadd /var/spool/patch/104945-02 The following example removes a patch from a standalone system: example# patchrm 104945-02 For additional examples please see the appropriate man pages. Special Install Instructions: ----------------------------- NOTE 1: To get UFS Snapshot support, one also needs to install the following patches: 108529-05 (or newer) kernel update patch 110402-01 (or newer) /usr/lib/fs/ufs/ufsdump patch 110403-01 (or newer) /usr/lib/libadm.so.1 patch 110404-01 (or newer) /usr/sbin/clri and /usr/sbin/fssnap patch README -- Last modified date: Wednesday, September 8, 2004