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4.12 Interrogation des objets EVMS - Historique des versions
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Futex le 10 mars 2014 à 22:43
2014-03-10T22:43:56Z
<p></p>
<p><b>Nouvelle page</b></p><div>On peut interroger tous les objets EVMS avec la commandes Query.<br />
<br />
Interrogation des segments : <br />
<br />
query:Segments<br />
Segment Name: cciss/c1d1p1<br />
Major: 253<br />
Minor: 36<br />
Active: TRUE<br />
Segment Size: 135.00 GB<br />
Starting LBA: 63<br />
Segment Type: Data<br />
<br />
Recherche du segment constituant le users2vol <br />
<br />
EVMS: q:chi,/dev/evms/users2vol<br><br />
Segment Name: cciss/c0d2'''2'''<br />
Major: 254<br />
Minor: 42<br />
Active: TRUE<br />
Segment Size: 34.84 GB<br />
Starting LBA: 69204960<br />
Segment Type: Data<br />
<br />
Recherche du logical disk (lun) constituant le segment cciss/c0d22 <br />
<br />
EVMS: q:chi,cciss/c0d22<br><br />
Logical Disk Name: cciss/c0d2<br />
Major: 104<br />
Minor: 32<br />
Active: TRUE<br />
Logical Disk Size: 67.84 GB<br />
Logical Disk Geometry: 17434 Cylinders, 255 Heads, 32 Sectors per Track, 512 Bytes per Sector<br />
LBA of the 1024 Cylinder Limit: 8347680<br />
<br />
==> on a donc la moitié de la lun utilisée par users2vol<br />
<br />
Recherche des segments hébergés par la lun cciss/c0d2 <br />
<br />
EVMS: q:par,cciss/c0d2<br><br />
Segment Name: cciss/c0d2_mbr<br />
Major: 0<br />
Minor: 0<br />
Active: FALSE<br />
Segment Size: 16.00 KB<br />
Starting LBA: 0<br />
Segment Type: Metadata<br>br><br />
Segment Name: cciss/c0d21 <br />
Major: 254<br />
Minor: 40<br />
Active: TRUE<br />
Segment Size: 33.00 GB<br />
Starting LBA: 32<br />
Segment Type: Data<br><br><br><br />
Segment Name: cciss/c0d22 (le user2vol précedent)<br />
Major: 254<br />
Minor: 42<br />
Active: TRUE<br />
Segment Size: 34.84 GB<br />
Starting LBA: 69204960<br />
Segment Type: Data<br />
<br />
quoi est dédié le segment cciss/c0d21 <br />
<br />
EVMS: q:par,cciss/c0d21<br><br />
Volume Name: /dev/evms/usersvol<br />
Major: 254<br />
Minor: 41<br />
Active: TRUE<br />
Volume Size: 33.00 GB<br />
Minor Number: 41<br />
Mount Point: /users<br />
Filesystem: ReiserFS<br />
Max Filesystem Size: 16.00 TB<br />
Min Filesystem Size: 10.87 GB<br />
<br />
Liste des volumes d’un container <br />
<br />
evms_query volumes -a <container><br />
<br />
Liste des régions d’un container <br />
<br />
evms_query regions -a <container><br />
<br />
Une belle sortie formattée proprement avec la commande evms_query <br />
<br />
evms_query objects -i |sed ‘s/^.*: //’| paste - - - - - - -| column -t<br><br />
cciss/c0d0 Disk Data 104,0 143305920 LocalDskMgr<br />
cciss/c0d1 Disk Data 104,16 143305920 LocalDskMgr<br />
cciss/c0d2 Disk Data 104,32 143305920 LocalDskMgr<br />
mpath0 Disk Data 253,15 62914560 LocalDskMgr<br />
mpath1 Disk Data 253,16 62914560 LocalDskMgr<br />
mpath2 Disk Data 253,17 62914560 LocalDskMgr<br />
mpath3 Disk Data 253,18 62914560 LocalDskMgr<br />
mpath4 Disk Data 253,19 62914560 LocalDskMgr<br />
mpath5 Disk Data 253,20 62914560 LocalDskMgr<br />
mpath6 Disk Data 253,21 62914560 LocalDskMgr<br />
mpath7 Disk Data 253,22 62914560 LocalDskMgr<br />
cciss/c0d0_mbr Segment Metadata 0,0 63 DosSegMgr<br />
cciss/c0d0p1 Segment Data 253,0 273042 DosSegMgr<br />
cciss/c0d0p2 Segment Data 253,2 100036755 DosSegMgr<br />
cciss/c0d0p3 Segment Data 253,13 42989940 DosSegMgr<br />
cciss/c0d0_freespace1 Segment Freespace 0,0 6120 DosSegMgr<br />
lvm2/system/crashvol Region Data 253,3 50331648 LVM2<br />
lvm2/system/homevol Region Data 253,4 262144 LVM2<br />
lvm2/system/optvol Region Data 253,5 4194304 LVM2<br />
lvm2/system/rootvol Region Data 253,6 2097152 LVM2<br />
lvm2/system/sharevol Region Data 253,7 999424 LVM2<br />
lvm2/system/softvol Region Data 253,8 17924096 LVM2<br />
lvm2/system/swapvol Region Data 253,9 4194304 LVM2<br />
lvm2/system/tmpvol Region Data 253,10 4997120 LVM2<br />
lvm2/system/usrvol Region Data 253,11 10002432 LVM2<br />
lvm2/system/varvol Region Data 253,12 4997120 LVM2<br />
lvm2/system/Freespace Region Freespace 0,0 32768 LVM2<br />
lvm2/users/usersvol Region Data 253,14 42967040 LVM2<br />
lvm2/users/Freespace Region Freespace 0,0 16384 LVM2<br />
lvm2/linuxbox/system Region Data 253,23 62898176 LVM2<br />
lvm2/linuxbox/users2 Region Data 253,24 62898176 LVM2<br />
lvm2/linuxbox/Freespace Region Freespace 0,0 0 LVM2<br />
lvm2/linuxbox/system Region Data 253,25 62898176 LVM2<br />
lvm2/linuxbox/users Region Data 253,26 62898176 LVM2<br />
lvm2/linuxbox/Freespace Region Freespace 0,0 0 LVM2</div>
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