HMC ALERT: VAR USAGE EXCEEDS THRESHOLD
Check disk usage by login as hscroot and open restricted shell. Enter the command monhmc -r disk -n 0 to check the disk usage. Enter the command chhmcfs -o f -f /var -s 1000 to delete unused files
Tagged hmcCheck disk usage by login as hscroot and open restricted shell. Enter the command monhmc -r disk -n 0 to check the disk usage. Enter the command chhmcfs -o f -f /var -s 1000 to delete unused files
Tagged hmcwe want move the lpar to another CEC. but we get the following error: Migr: LPAR=nim9, Src_CEC=mars-9117-MMB-SNXXXXXX, Trgt_CEC=jupiter-9117-MMD-SNXXXXX, Src_VIO=xxx.xxx.xxx.xxx, Trgt_VIO=xxx.xxx.xxx.xxx Partition migration failed with the following errors: HSCLA27C The operation to get the physical device location for adapter U9117.MMB.06xxxxx-V2-C49 on the virtual I/O server partition VIO2 has failed. The partition command is: migmgr -f get_adapter […]
Tagged AIX, vioCreate two virtual adapter one for SEA other for control channel $ entstat -all ent2 | grep VLAN ( set trunk priority 1 for primary and set trunk prio 2 for secondary VIO2 Server) (keep the access external network checkbox selected.) Here is an example: Invalid VLAN ID Packets: 0 Port VLAN ID:Â Â Â Â 20 VLAN […]
Tagged AIX, vio1) $lsdev -type adapter ( look the output ) ent0            Available  4-Port 10/100/1000 Base-TX PCI-Express Adapter (14106803) ent1            Available  4-Port 10/100/1000 Base-TX PCI-Express Adapter (14106803) ent2            Available  4-Port 10/100/1000 Base-TX PCI-Express Adapter (14106803) ent3            Available  4-Port 10/100/1000 Base-TX PCI-Express Adapter (14106803) ent4            Available  EtherChannel / IEEE 802.3ad Link Aggregation
Tagged AIX, vioexample1: Normal VG mkvg -s 16 -t 2 -y datavg hdisk4 (partition size is 16. Factor(t) is 2. 1016 x 2= 2032 ( that means this volumegroup can have up to 16 disk. see table example2: Big VG mkvg -B -t 16 -y […]
Tagged AIX, disk, Volume Groupeach filesystem hast two superblock. one in logical block 1 and copy in logical block 31. We can copy supberblock fro block 31 to block1 for the root file system here is the command: dd count=1 bs=4k skip=31 seek=1 if=/dev/hd4 of=/dev/hd4
Tagged AIX, superblockGuidelines for MaxMem Don’t set MaxMem equal to total amount of server memory for each LPAR. This will waste memory with oversized HPTs. Size MaxMem approximately 25 percent larger than Desired Memory for production LPARs that might require a DLPAR memory addition. For less important LPARs, which could be shutdown for a desired memory increase, […]
Tagged AIX, LPAR, Memorywe can boot AIX in maintenance mode -> access rootvolume group-> Access this Volume Group and start a shell before mounting file systems # logform -V jfs /dev/hd8 # fsck -y -V jfs /dev/hd1 # fsck -y -V jfs /dev/hd2 # fsck -y -V jfs /dev/hd3 # fsck -y -V jfs /dev/hd4 # fsck -y […]
Tagged AIX, maintenance