日期:2014-05-16  浏览次数:20512 次

记一次HP-UX存储修复
昨天客户数据库由于本地硬盘出现故障,导致交换空间不足,进而导致数据库hang,废了九牛二虎之力终于将数据库切换至备机,由于之前切换都正常,唯独出故障时,切换也同时出问题,影响业务长达2个小时。由于之前数据库物理备份都在1号机上备份,由于切换时,没有将存放备份集的文件系统挂载至2号机,导致备份不能正常运行。由于数据库刚出过故障,此时备份就显得异常重要了。对于HP-UX的故障处理,我其实也是半吊子,既然客户找过来,就尝试着处理。
处理过程其实很简单,简单记录一下
首先尝试mount文件系统
引用
#mount /dev gdata/archlv /backup
mount: /dev gdata/archlv needs to be fsck'ed before mounting
mount: warning: if device /dev gdata/archlv is mounted to another system
                then do not run fsck

提示用fsck修复
引用
# fsck  /dev gdata/archlv
fsck: /etc/default/fs is used for determining the file system type
vxfs fsck: not a valid vxfs file system
invalid super-block
vxfs fsck: cannot initialize aggregate
file system check failure, aborting ...


由于文件系统采用hfs类型,采用fsck修复hfs文件系统类型
引用
# fsck -F hfs /dev/vgdata/archlv
** /dev/vgdata/archlv
** Last Mounted on /backup
** Phase 1 - Check Blocks and Sizes




这一段时间,执行有点长,敲了n个回车
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
121 files, 0 icont, 191561900 used, 58898971 free (11 frags, 7362370 blocks)
***** MARKING FILE SYSTEM CLEAN *****

***** FILE SYSTEM WAS MODIFIED *****


fsck执行成功之后,mount文件系统正常。