IV54660: AIX NFS CLNT LEAKS TCP CONN IF SERVER DOESN’T RESPOND TO MOUNT

IV54660: AIX NFS CLNT LEAKS TCP CONN IF SERVER DOESN’T RESPOND TO MOUNT

Common with EMC DataDomain.

Ifix available

Error description

Local fix

Posted on February 25, 2014 at 2:47 pm by admin · Permalink · Leave a comment
In: AIX

Storage issue, really?

IZ77809: NPIV CLIENT MAY EXPERIENCE HUNG IO IN SOME RECOVERY SCENARIOS :

 

Posted on November 5, 2011 at 2:15 pm by admin · Permalink · Leave a comment
In: AIX, SAN

Migration physical disk to virtualbox…

As easy as :

 

root@golonka:~# dd if=/dev/sdb1  of=/usr/pasztet
root@golonka:/usr# VBoxManage  convertfromraw   /usr/pasztet /home/pasztet.vdi
Converting from raw image file="/usr/pasztet" to file="/home/pasztet.vdi"...
Creating dynamic image with size 4046805504 bytes (3860MB)...


VBoxManage clonehd
VBoxManage showhdinfo
VBoxManage modifyhd <name> -resize <MB>
Posted on September 11, 2011 at 3:35 pm by admin · Permalink · Leave a comment
In: wirtualizacja

Protected: IBM 000-102 tips & tricks

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Posted on November 14, 2010 at 9:35 pm by admin · Permalink · Enter your password to view comments.
In: Uncategorized

Netapp : Online Backup and Recovery

[cmds]

[options]

cifs.snapshot_file_folding.enable on

cifs.show_snapshot

options snapmirror.access || legacy -> /etc/snapmirror.allow

/etc/snapmirror.conf
/etc/log/snapmirror

options snapmirror.enable || snapmirror on
options snapmirror.window_size rate
Window Size = (Round Trip Delay) × (Desired Rate)

options snapmirror.access host=192.168.15.30

options snapmirror.checkip.enable on

options replication.throttle.enable on

options replication.throttle.incoming.max_kbs value

options replication.throttle.outgoing.max_kbs value

/etc/snapmirror.conf:
s_systemA:vol0 d_systemA:vol1 – sync
s_systemA:vol0 d_systemA:vol1 kbs=2000,restart=always 15 * * 1,2,3,4,5

NYC-Newark = multi (NYC-pri,Newark-pri) (NYC-sec,Newark-sec)
NYC-Newark:vol1 Newark:vol1 – sync

options snapvault.access host= snapvault_secondary

options snapvault.enable on

options snapvault.access host= snapvault_primary1, snapvault_primary2

[examples]

[]

Posted on January 29, 2010 at 12:36 am by admin · Permalink · Leave a comment
In: netapp

Netapp – Storage managment

[CMD]

[Options]

[Proc]

raid4, aggr       root, raidsize=9
degraded

Posted on January 16, 2010 at 6:59 pm by admin · Permalink · Leave a comment
In: netapp

Protected: IBM 000-101 tips & tricks

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Posted on November 24, 2009 at 12:38 pm by admin · Permalink · Enter your password to view comments.
In: Uncategorized

HMC command line [draft]

lshwres – opcje HEA

chhwres –  changes the hardware resource configuration of the managed system (DLPAR)

chsyscfg – changes the attributes of partitions, partition profiles, or
system profiles for the managed system

rsthwres – restores the hardware resource configuration of
partitions in the managed system. This operation might need to be performed
after a DLPAR operation fails

mksyscfg – creates partitions, partition profiles, or system profiles
for the managed system

lssyscfg – lists the attributes of partitions, partition profiles, or
system profiles for the managed system.

lslparutil – lists utilization data that is collected for a managed
system

[def | ls | rm ] sysplanres – defines, show, delete a system plan resource for use by system plans deployed from the HMC

dump – sets the system dump parameters for the managed system

[ch | ls ] cod – performs CoD operations on the managed system

mksysplan –

chsvcevent –

chhmc – set the date, time, time zone, and clock on the HMC

lssysconn – List system connections

Most common command line options and usage

Posted on November 11, 2009 at 12:52 pm by admin · Permalink · 3 Comments
In: AIX

System P Performance

  • alstat – Shows alignment exception statistics.
  • iostat – Reports central processing unit (CPU) statistics and I/O statistics for the entire system, adapters, TTY devices, disks, and CD-ROMs.
  • vmstat – Reports virtual memory statistics.
  • sar – Collects, reports, or saves system activity information.
  • prof – Displays object file profile data.
  • tprof – Reports CPU usage.
  • gprof – Displays call graph profile data.
  • emstat – Shows emulation exception statistics.
  • filemon – Monitors the performance of the file system, and reports the I/O activity on behalf of logical files, virtual memory segments, logical volumes, and physical volumes.
  • fileplace – Displays the placement of file blocks within logical or physical volumes.
  • netpmon – Monitors activity and reports statistics on network I/O and network-related CPU usage.
  • pprof – Reports CPU usage of all kernel threads over a period of time.
  • rmss – Simulates a system with various sizes of memory for performance testing of applications.
  • svmon – Captures and analyzes a snapshot of virtual memory.
  • topas – Reports selected local system statistics.
  • lparstat – Reports LPAR-related information and utilization statistics.
  • mpstat – Reports performance statistics for all logical CPUs in the system
  • entstat – Shows ethernet device driver and device statistics.
  • fcstat
  • ioslevel This command gives the version of the Virtual I/O Server.
  • lssw This command lists the software installed.
  • lsfware This command displays microcode and firmware levels of the system, adapters and devices.
  • lslparinfo This command displays the LPAR number and LPAR name.
  • lssvc This command lists available agent names if the parameter is not given. It lists the agent’s attributes and values if the agent’s name is provided as a parameter.
  • oem_platform_level This command returns the operating system level of the OEM install and setup environment.
  • lsdev This command displays devices in the system and their characteristics.
  • lsmap This command displays the mapping between physical and virtual devices.

  • viostat This command reports Central Processing Unit statistics, asynchronous input/output, input/output statistics for entire system, adapters, tty devices, disks, and CD-ROMs. The parameter -extdisk provides detailed performance statistics information for disk devices.
  • fcstat This command displays statistics gathered by the specified Fibre Channel device driver.
  • lsvg This command displays information about volume groups.
  • lslv This command displays information about a logical volume.
  • lspv This command displays information about physical volumes.
  • lssp This command displays information about storage pools.
  • lsvopt This command lists and displays information about the systems virtual optical devices.
  • lsrep This command lists and displays information about the Virtual Media Repository.
  • lspath This command displays information about paths to MultiPath I/0 (MPIO)-capable devices.

  • mpio_get_config -Av This command displays IBM SAN storage information with MPIO multi-path device driver attachment.
  • fget_config -Av This command displays IBM SAN storage information with RDAC multi-path device driver attachment.
  • pcmpath query adapter This command displays SAN storage Fibre Channel adapter path information with SDDPCM path control module attachment.
  • pcmpath query device This command displays SAN storage device information with SDDPCM path control module attachment.
  • lscfg -vl hdiskx This command displays vendor storage information.
  • netstat This command displays active sockets for each protocol, or routing table information, or displays the contents of a network data structure.
  • entstat This command displays Ethernet device driver and device statistics.
  • seastat This command generates a report to view, per client, the Shared Ethernet Adapter statistics.

  • lsnetsvc This command gives the status of a network service.
  • lstcpip This command displays the TCP/IP settings.
  • optimizenet -list This command lists the characteristics of one or all network tunables.
  • snmp_info -get|-next This command requests the values of Management Information Base variables managed by a Simple Network Management Protocol agent.
  • traceroute This command prints the route that IP packets take to a network host.
  • showmount This command displays a list of all clients that have remotely mountable file systems.
Posted on November 9, 2009 at 5:02 pm by admin · Permalink · Leave a comment
In: AIX

IBM Workload Estimator

http://www-912.ibm.com/wle/EstimatorServlet/

Posted on November 8, 2009 at 12:16 pm by admin · Permalink · Leave a comment
In: AIX