They are hacmp clusters with two 6228 cards each fcs0 and fcs01 attached to an emc symetrix storage array. Nice article, but there is some tool or web with db background about, how can we analyze the sense data deeply. If connected to a switch, refer to the storage area network san problem determination procedures for additional problem resolution. Jul 30, 2015 home aix how to enable the paths of the aix. My issue was a link error, one time occurance so far. You can easily see the forums that you own, are a member of, and are following. This would extend the storage capacity offered by the ds4700 storage systems.
According to the output of cfgmgr you posted, the internal pci side seems ok. You can search forum titles, topics, open questions, and answered questions. Jul 24, 2015 aix disk queue depth tuning for performance purpose the purpose of this document is to describe how ios are queued the disk device driver and the adapter device driver, sdd, and sddpcm and to explain how these can be tuned to increase performance. Reviewing disk paths, i found some paths showing as missing and some enabled on the same fscsi. Dec 16, 20 according to the output of cfgmgr you posted, the internal pci side seems ok. To check the hba adapter connection status use this command. This command lists all devices available in aix system. Dnwcb61p1c1t1 description link error recommended actions perform problem. Among all devices, look for fc hba adapter by using below command. Unfortunately i have had poor dealings with emc to determine other failures with. The error code indicates that a call is being made to the controller that the controller does not understand. Hi, i got a new system with vpathes on it, but i do not have too much experiance with it. This is reporting as a software error in the firmware licensed internal code. If i know right there is only ibm internal analyzer tool so need to ask ibm aix support.
This may cause sancomm packets to be dropped and could also delay disk io using the same fscsi driver instance. Contribute to shinken monitoringpackaix development by creating an account on github. If all fscsi1 paths are in failed status anyway, you could as well disable them to then run diag against fcs1. Powerha failure scenario when dealing with sanbooted lpars. If not connected to a switch, run diagnostics on the attached devices. Diagnostic tool for decoding and summarizing aix io error messages. The customer will experience a hang associated with the config method for the fscsi device. The number one in health check software for linux and unix. This is likely due to downrev firmware on the controller card. The new aix mpio software also makes greater use of the degraded path state to limit the use of paths that recently experienced errors. Aix was the first operating system to have a journaling file system, and ibm has continuously enhanced the software with features such as processor, disk and network virtualization, dynamic hardware resource allocation including fractional processor units, and reliability engineering ported from its mainframe designs. Error description the iscsi software initiator may send a target reset immediately after a scsi command timeout, instead of just sending an abort task set command. Recommended software programs are sorted by os platform windows, macos, linux, ios, android etc. These errors can be caused by attached devices, a switch, a hub, or a scsitofc convertor.
Now, you can execute the below script from chosen server note. For a strange reason, the default install on an aix install will not place entrys in etcnf, leaving a totl userless syslogd. When using the san communications driver between nodes in a large cluster, the fscsi protocol driver may log errors ibm iv26648. Dc73c03a 0103070911 t s fscsi0 software program error. From that point on the diagnostic display keeps counting the usual way for. Hi all, i am having error on tsm server which is an aix box. Aix sudo no tty present and no askpass program specified. Contribute to shinken monitoringpack aix development by creating an account on github. Some v7k iscsi disks not correctly recognizedupdating odm stanzapplies to aix 69 united states. Nov 07, 2011 replacing fiber adapter hba in ibm aix 5. Ibm flashsystem a9000, a9000r, and ibm xiv storage. B8fbd189 1106105211 t s fscsi1 software program error label. Ibm training and skills ibm professional certification program ibm technical events.
How to enable the paths of the aix cloud devops unix linux. The mpio software avoids selecting a degraded path for io unless no other good paths exist to choose from. When using the san communications driver between nodes in a large cluster, the fscsi protocol driver may log errors indicating it is out of resources. Available for aix and red hat enterprise linux systems. I started to get these errors when i booted the machine. Support matrix we recently acquired a new ibm system storage storwize v7000. Aix tsm lpar error msg 26623394 fscsi9 communication. When i power it on, the boot sequence advances finely, until it says welcome to aix, closing stdin and stdout, or something like that. Recently the storage group asked us to install the emc ecc software on our boxes so they can monitor emc stats. Could be, of course, that the external fc side has a problem.
Choose a server where you can access all your lpars step 2. I checked on vio but this command is not executing. Generate a key from the chosen server and then scp same key to lpar under root step 3. For each hba adapter equivalent fscsi device created automatically. Temp s software program error 019125f9 lan801e temp. Nov 07, 2011 i would like to keep posting all the technical issues and implementations that are interesting pertaining to aix, linux, solaris, windows, scripts, storage etc. I have a few rs6000s that have been humming along problem free for a while. Redbooks front cover ibm flashsystem a9000, ibm flashsystem a9000r, and ibm xiv storage system host attachment and interoperability markus oscheka. Jan 22, 2017 script to gather hdisk attribute step 1.