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Diskgroup with eight 18gb disks - adding two 36gb disks

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630111

630111

MIS
Oct 30, 2001
127
US
I have a diskgroup with eight 18gb disks. My dba wants to add two 36gb disks (only size he could get). Does it makes sense to add these two disks into the configuration below? What would be a good/better alternative other than creating a separate disk group?

Disk group: databasedg

DG NAME NCONFIG NLOG MINORS GROUP-ID
DM NAME DEVICE TYPE PRIVLEN PUBLEN STATE
RV NAME RLINK_CNT KSTATE STATE PRIMARY DATAVOLS SRL
RL NAME RVG KSTATE STATE REM_HOST REM_DG REM_RLNK
V NAME RVG KSTATE STATE LENGTH READPOL PREFPLEX UTYPE
PL NAME VOLUME KSTATE STATE LENGTH LAYOUT NCOL/WID MODE
SD NAME PLEX DISK DISKOFFS LENGTH [COL/]OFF DEVICE MODE
SV NAME PLEX VOLNAME NVOLLAYR LENGTH [COL/]OFF AM/NM MODE
DC NAME PARENTVOL LOGVOL
SP NAME SNAPVOL DCO

dg databasedg default default 70000 1053300973.1263.p0695d10

dm databas01 c0t2d0s2 sliced 4711 35358848 -
dm databas02 c0t3d0s2 sliced 4711 35358848 -
dm databas03 c2t0d0s2 sliced 4711 35358848 -
dm databas04 c2t1d0s2 sliced 4711 35358848 -
dm databas05 c2t2d0s2 sliced 4711 35358848 -
dm databas06 c2t3d0s2 sliced 4711 35358848 -
dm databas07 c3t2d0s2 sliced 4711 35358848 -
dm databas08 c3t3d0s2 sliced 4711 35358848 -

v db01 - ENABLED ACTIVE 37748928 RAID - raid5
pl db01-01 db01 ENABLED ACTIVE 37766624 RAID 8/32 RW
sd databas01-02 db01-01 databas01 2699976 5395240 0/0 c0t2d0 ENA
sd databas02-02 db01-01 databas02 2699976 5395240 1/0 c0t3d0 ENA
sd databas03-02 db01-01 databas03 2699976 5395240 2/0 c2t0d0 ENA
sd databas04-02 db01-01 databas04 2699976 5395240 3/0 c2t1d0 ENA
sd databas05-02 db01-01 databas05 2699976 5395240 4/0 c2t2d0 ENA
sd databas06-02 db01-01 databas06 2699976 5395240 5/0 c2t3d0 ENA
sd databas07-02 db01-01 databas07 2699976 5395240 6/0 c3t2d0 ENA
sd databas08-02 db01-01 databas08 2699976 5395240 7/0 c3t3d0 ENA

v db02 - ENABLED ACTIVE 37748928 RAID - raid5
pl db02-01 db02 ENABLED ACTIVE 37766624 RAID 8/32 RW
sd databas01-03 db02-01 databas01 8095216 5395240 0/0 c0t2d0 ENA
sd databas02-03 db02-01 databas02 8095216 5395240 1/0 c0t3d0 ENA
sd databas03-03 db02-01 databas03 8095216 5395240 2/0 c2t0d0 ENA
sd databas04-03 db02-01 databas04 8095216 5395240 3/0 c2t1d0 ENA
sd databas05-03 db02-01 databas05 8095216 5395240 4/0 c2t2d0 ENA
sd databas06-03 db02-01 databas06 8095216 5395240 5/0 c2t3d0 ENA
sd databas07-03 db02-01 databas07 8095216 5395240 6/0 c3t2d0 ENA
sd databas08-03 db02-01 databas08 8095216 5395240 7/0 c3t3d0 ENA

v db03 - ENABLED ACTIVE 37748928 RAID - raid5
pl db03-01 db03 ENABLED ACTIVE 37766624 RAID 8/32 RW
sd databas01-04 db03-01 databas01 13490456 5395240 0/0 c0t2d0 ENA
sd databas02-04 db03-01 databas02 13490456 5395240 1/0 c0t3d0 ENA
sd databas03-04 db03-01 databas03 13490456 5395240 2/0 c2t0d0 ENA
sd databas04-04 db03-01 databas04 13490456 5395240 3/0 c2t1d0 ENA
sd databas05-04 db03-01 databas05 13490456 5395240 4/0 c2t2d0 ENA
sd databas06-04 db03-01 databas06 13490456 5395240 5/0 c2t3d0 ENA
sd databas07-04 db03-01 databas07 13490456 5395240 6/0 c3t2d0 ENA
sd databas08-04 db03-01 databas08 13490456 5395240 7/0 c3t3d0 ENA

v db04 - ENABLED ACTIVE 29360128 RAID - raid5
pl db04-01 db04 ENABLED ACTIVE 29388576 RAID 8/32 RW
sd databas01-05 db04-01 databas01 18885696 4198392 0/0 c0t2d0 ENA
sd databas02-05 db04-01 databas02 18885696 4198392 1/0 c0t3d0 ENA
sd databas03-05 db04-01 databas03 18885696 4198392 2/0 c2t0d0 ENA
sd databas04-05 db04-01 databas04 18885696 4198392 3/0 c2t1d0 ENA
sd databas05-05 db04-01 databas05 18885696 4198392 4/0 c2t2d0 ENA
sd databas06-05 db04-01 databas06 18885696 4198392 5/0 c2t3d0 ENA
sd databas07-05 db04-01 databas07 18885696 4198392 6/0 c3t2d0 ENA
sd databas08-05 db04-01 databas08 18885696 4198392 7/0 c3t3d0 ENA

v db05 - ENABLED ACTIVE 18874368 RAID - raid5
pl db05-01 db05 ENABLED ACTIVE 18876224 RAID 3/32 RW
sd databas01-08 db05-01 databas01 30274600 5084248 0/0 c0t2d0 ENA
sd databas04-08 db05-01 databas04 30274600 3307824 0/5084248 c2t1d0 ENA
sd databas01-11 db05-01 databas01 23084088 296856 0/8392072 c0t2d0 ENA
sd databas01-12 db05-01 databas01 23691936 589000 0/8688928 c0t2d0 ENA
sd databas04-12 db05-01 databas04 23084088 160208 0/9277928 c2t1d0 ENA
sd databas02-08 db05-01 databas02 30274600 5084248 1/0 c0t3d0 ENA
sd databas05-08 db05-01 databas05 30274600 3307824 1/5084248 c2t2d0 ENA
sd databas02-10 db05-01 databas02 23084088 1046064 1/8392072 c0t3d0 ENA
sd databas03-08 db05-01 databas03 30274600 5084248 2/0 c2t0d0 ENA
sd databas06-08 db05-01 databas06 30274600 3307824 2/5084248 c2t3d0 ENA
sd databas06-11 db05-01 databas06 23084088 1046064 2/8392072 c2t3d0 ENA
pl db05-02 db05 ENABLED LOG 4712 CONCAT - RW
sd databas07-08 db05-02 databas07 30274600 4712 0 c3t2d0 ENA

v db06 - ENABLED ACTIVE 11324672 RAID - raid5
pl db06-01 db06 ENABLED ACTIVE 11327616 RAID 3/32 RW
sd databas08-08 db06-01 databas08 30274600 5084248 0/0 c3t3d0 ENA
sd databas08-10 db06-01 databas08 23380944 579576 0/5084248 c3t3d0 ENA
sd databas07-09 db06-01 databas07 30279312 5079536 1/0 c3t2d0 ENA
sd databas07-11 db06-01 databas07 23380944 584288 1/5079536 c3t2d0 ENA
sd databas04-09 db06-01 databas04 33582424 1776424 2/0 c2t1d0 ENA
sd databas05-09 db06-01 databas05 33582424 1776424 2/1776424 c2t2d0 ENA
sd databas01-10 db06-01 databas01 23380944 310992 2/3552848 c0t2d0 ENA
sd databas04-11 db06-01 databas04 23380944 899992 2/3863840 c2t1d0 ENA
sd databas05-11 db06-01 databas05 23380944 899992 2/4763832 c2t2d0 ENA
pl db06-02 db06 ENABLED LOG 4712 CONCAT - RW
sd databas06-09 db06-02 databas06 33582424 4712 0 c2t3d0 ENA

v ora - ENABLED ACTIVE 23068864 RAID - raid5
pl ora-01 ora ENABLED ACTIVE 23088800 RAID 8/32 RW
sd databas01-01 ora-01 databas01 0 2699976 0/0 c0t2d0 ENA
sd databas01-09 ora-01 databas01 27277768 598424 0/2699976 c0t2d0 ENA
sd databas02-01 ora-01 databas02 0 2699976 1/0 c0t3d0 ENA
sd databas02-09 ora-01 databas02 27277768 598424 1/2699976 c0t3d0 ENA
sd databas03-01 ora-01 databas03 0 2699976 2/0 c2t0d0 ENA
sd databas03-09 ora-01 databas03 27277768 598424 2/2699976 c2t0d0 ENA
sd databas04-01 ora-01 databas04 0 2699976 3/0 c2t1d0 ENA
sd databas04-10 ora-01 databas04 27277768 598424 3/2699976 c2t1d0 ENA
sd databas05-01 ora-01 databas05 0 2699976 4/0 c2t2d0 ENA
sd databas05-10 ora-01 databas05 27277768 598424 4/2699976 c2t2d0 ENA
sd databas06-01 ora-01 databas06 0 2699976 5/0 c2t3d0 ENA
sd databas06-10 ora-01 databas06 27277768 598424 5/2699976 c2t3d0 ENA
sd databas07-01 ora-01 databas07 0 2699976 6/0 c3t2d0 ENA
sd databas07-10 ora-01 databas07 27277768 598424 6/2699976 c3t2d0 ENA
sd databas08-01 ora-01 databas08 0 2699976 7/0 c3t3d0 ENA
sd databas08-09 ora-01 databas08 27277768 598424 7/2699976 c3t3d0 ENA

v oradat - ENABLED ACTIVE 20971552 RAID - raid5
pl oradat-01 oradat ENABLED ACTIVE 20977824 RAID 8/32 RW
sd databas01-06 oradat-01 databas01 24280936 2996832 0/0 c0t2d0 ENA
sd databas02-06 oradat-01 databas02 24280936 2996832 1/0 c0t3d0 ENA
sd databas03-06 oradat-01 databas03 24280936 2996832 2/0 c2t0d0 ENA
sd databas04-06 oradat-01 databas04 24280936 2996832 3/0 c2t1d0 ENA
sd databas05-06 oradat-01 databas05 24280936 2996832 4/0 c2t2d0 ENA
sd databas06-06 oradat-01 databas06 24280936 2996832 5/0 c2t3d0 ENA
sd databas07-06 oradat-01 databas07 24280936 2996832 6/0 c3t2d0 ENA
sd databas08-06 oradat-01 databas08 24280936 2996832 7/0 c3t3d0 ENA

v oralog - ENABLED ACTIVE 16777376 RAID - raid5
pl oralog-01 oralog ENABLED ACTIVE 16788800 RAID 8/32 RW
sd databas01-07 oralog-01 databas01 27876192 2398408 0/0 c0t2d0 ENA
sd databas02-07 oralog-01 databas02 27876192 2398408 1/0 c0t3d0 ENA
sd databas03-07 oralog-01 databas03 27876192 2398408 2/0 c2t0d0 ENA
sd databas04-07 oralog-01 databas04 27876192 2398408 3/0 c2t1d0 ENA
sd databas05-07 oralog-01 databas05 27876192 2398408 4/0 c2t2d0 ENA
sd databas06-07 oralog-01 databas06 27876192 2398408 5/0 c2t3d0 ENA
sd databas07-07 oralog-01 databas07 27876192 2398408 6/0 c3t2d0 ENA
sd databas08-07 oralog-01 databas08 27876192 2398408 7/0 c3t3d0 ENA
 
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with VeritasVM I suggest to make a new diskgroup since you will never know how VxVM will use the disks; I have seen very mad constructs expanding existing mirrors with new disks... ;-)

Best Regards, Franz
--
Solaris System Manager from Munich, Germany
I used to work for Sun Microsystems Support (EMEA) for 5 years
 
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