Storage Management in Data Centers: Understanding, Exploiting, Tuning, and Troubleshooting Veritas Storage Foundation
Volker Herminghaus, Albrecht Scriba
garage administration in facts facilities is helping directors take on the complexity of information middle mass garage. It exhibits how one can take advantage of the potential for Veritas garage starting place via conveying information regarding the layout innovations of the software program in addition to its architectural heritage. instead of in simple terms showing how to use garage beginning, it explains why to use it in a specific approach, in addition to what is going on within. Chapters are cut up into 3 sections: An introductory half for the amateur consumer, a full-featured half for the skilled, and a technical deep dive for the professional specialist. an in depth troubleshooting part exhibits tips to repair issues of volumes, plexes, disks and disk teams. A photograph bankruptcy supplies targeted directions on the best way to use the main complex point-in-time copies. A tuning bankruptcy may help you accelerate and benchmark your volumes. And a unique bankruptcy on cut up information facilities discusses latency matters in addition to distant mirroring mechanisms and cross-site quantity maintenance. All subject matters are lined with the technical know the way gathered from an aggregate thirty years of expertise in consulting and coaching in facts facilities worldwide.
Rootvol-01 rootvol-01 rootvol rootvol-02 ENABLED ENABLED osdg01 osdg01 ENABLED osdg02 energetic lively 78148319 zero lively zero 4198320 4198320 1 4198319 4198320 4198320 around CONCAT zero 1 CONCAT zero c0t0d0 c0t0d0 c0t2d0 root RW ENA ENA RW ENA For our comfort, the vxbootsetup application (the ultimate command known as internally by means of vxmirror) has created machine aliases within the Solaris Boot promenade in order that we will be able to boot from both of the mirrors via addressing them symbolically (vx-odsg01 and vx-osdg02): #.
technique to the e-book. many folks have helped us end this job and feature hence contributed to the profitable of entirety of this publication. the 1st around of thank you is going to the touch individuals at Springer: Hermann Engesser and Gabriele Fischer, for delivering an ideal place of work into which to throw all of the unstructured feedback, rules, questions, and draft models of this booklet. yet so much of all, for asserting "YES" sooner than shall we even end our sentence asking in the event that they want to post our moment.
Of=/dev/vx/rdsk/adg/vol$i bs=128k count=8; performed # dd if=/var/tmp/c4t1d0s2 of=/dev/rdsk/c4t1d0s2 bs=128k oseek=1 # vxdisk scandisks device=c4t1d0 # vxdisk checklist equipment variety DISK team prestige […] c4t1d0s2 auto:cdsdisk on-line c4t2d0s2 auto:cdsdisk adg02 adg on-line […] adg01 adg failed was:c4t1d0s2 # vxdg -g adg -k adddisk adg01=c4t1d0 # vxdisk checklist gadget variety DISK staff prestige […] c4t1d0s2 auto:cdsdisk adg01 adg on-line c4t2d0s2 auto:cdsdisk adg02 adg on-line […] 3. sooner than resynchronizing the.
have to think about what to do, if we inadvertently got rid of items from the VxVM configuration. thankfully, we will be able to use a distinct output layout of vxprint to shop the disk staff configuration in a way to be learn by means of vxmake with the intention to rebuild the items. the subsequent desk indicates in a comparability of the syntax, how either instructions specify the proper VxVM items: 391 Troubleshooting vxprint concepts vxprint variety abbreviations vxmake variety abbreviations quantity -v v vol Plex -p pl.
1095 commence learn vdev mirrorvol block 23138688 len sixteen concurrency 1 pid 24980 1096 commence learn disk c1t1d7s2 op 1095 block 23204480 len sixteen 1096 finish learn disk c1t1d7s2 op 1095 block 23204480 len sixteen time zero 1095 finish learn vdev mirrorvol op 1095 block 23138688 len sixteen time 1 1097 begin learn vdev mirrorvol block 61058832 len sixteen concurrency 1 pid 24980 1098 commence learn disk c1t1d7s2 op 1097 block 61124624 len sixteen 1098 finish learn disk c1t1d7s2 op 1097 block 61124624 len sixteen time zero 1097 finish learn vdev mirrorvol op.