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--- storage:brocade_pb [2021/04/29 11:15]
manu [Defect Gbic module]
+++ storage:brocade_pb [2025/08/23 23:38] (current)
@@ Line 1: / Line 1: @@
 ====== Brocade problem determination ======
+//For info// if ask for supportsave : CRA (Challenge Response Authentication) is chosen as "NO" or "N" and the issue is still seen and/or root access is not available
+===== SAN switch cleanup files =====
+<cli prompt='>'>
+FLEX-A1-BLUE:root> df -h
+Filesystem            Size  Used Avail Use% Mounted on
+/dev/root             377M  247M  110M  69% /
+/dev/hda3             193M   23M  161M  12% /core_files
+/dev/hda1             377M  277M   80M  78% /mnt
+FLEX-A1-BLUE:root>
+FLEX-A1-BLUE:root> supportsave -R
+Removing all core and FFDC files!
+SupportSave completed (Duration : 0 minutes 1 seconds).
+FLEX-A1-BLUE:root> cleanup
+This utility will remove obsoleted files on the local CP.
+Be aware the tool will remove all unauthorized code under
+following directories on BOTH partitions:
+        /bin
+        /sbin
+        /lib
+        /fabos
+        /root
+        /usr
+        /core_files
+Note that all the core files will be removed as well.
+In case you want to save any of your private code or core,
+please copy them before running this command.
+Do you want to continue [Y]: Y
+Checking //bin, please wait ...
+Checking //sbin, please wait ...
+Checking //usr, please wait ...
+--Remove //usr/share/zoneinfo/Etc/GMT
+--Remove //usr/share/zoneinfo/Etc/GMT+0
+--Remove //usr/share/zoneinfo/Etc/UTC
+--Remove //usr/share/zoneinfo/Europe/Luxembourg
+--Remove //usr/share/zoneinfo/UTC
+--Remove //usr/apache/bin/httpd.0
+--Remove //usr/local/mib_indexes/0
+--Remove //usr/local/snmpd.conf
+Checking //fabos, please wait ...
+--Remove //fabos/lib/libconfig_pharos.so.1.0
+--Remove //fabos/man/cat7/AN-1001.7m.gz
+--Remove //fabos/man/cat7/AN-1002.7m.gz
+...
+FLEX-A1-BLUE:root> supportsave -R
+Removing all core and FFDC files!
+SupportSave completed (Duration : 0 minutes 1 seconds).
+FLEX-A1-BLUE:root> cleanup
+This utility will remove obsoleted files on the local CP.
+Be aware the tool will remove all unauthorized code under
+following directories on BOTH partitions:
+        /bin
+        /sbin
+        /lib
+        /fabos
+        /root
+        /usr
+        /core_files
+Note that all the core files will be removed as well.
+In case you want to save any of your private code or core,
+please copy them before running this command.
+Do you want to continue [Y]: Y
+Checking //bin, please wait ...
+Checking //sbin, please wait ...
+Checking //usr, please wait ...
+--Remove //usr/share/zoneinfo/Etc/GMT
+--Remove //usr/share/zoneinfo/Etc/GMT+0
+--Remove //usr/share/zoneinfo/Etc/UTC
+--Remove //usr/share/zoneinfo/Europe/Luxembourg
+--Remove //usr/share/zoneinfo/UTC
+--Remove //usr/apache/bin/httpd.0
+--Remove //usr/local/mib_indexes/0
+--Remove //usr/local/snmpd.conf
+Checking //fabos, please wait ...
+--Remove //fabos/lib/libconfig_pharos.so.1.0
+--Remove //fabos/man/cat7/AN-1001.7m.gz
+--Remove //fabos/man/cat7/AN-1002.7m.gz
+...
+--Remove /mnt/fabos/users/admin/.ssh/authorized_keys
+--Remove /mnt/fabos/users/admin/.ssh/authorized_keys.admin
+--Remove /mnt/fabos/users/admin/.ssh/authorizedKeys.tar
+--Remove /mnt/fabos/webtools/bin/web.conf.0
+--Remove /mnt/fabos/webtools/bin/httpd.conf.0
+--Remove /mnt/fabos/webtools/htdocs/serverstatus.html
+--Remove /mnt/fabos/webtools/htdocs/0.weblinker.fcg
+Checking /mnt/lib, please wait ...
+--Remove /mnt/lib/modules/default/modules.ieee1394map
+--Remove /mnt/lib/modules/default/modules.pcimap
+--Remove /mnt/lib/modules/default/modules.usbmap
+--Remove /mnt/lib/modules/default/modules.ccwmap
+--Remove /mnt/lib/modules/default/modules.isapnpmap
+--Remove /mnt/lib/modules/default/modules.inputmap
+--Remove /mnt/lib/modules/default/modules.ofmap
+--Remove /mnt/lib/modules/default/modules.seriomap
+--Remove /mnt/lib/modules/default/modules.alias
+--Remove /mnt/lib/modules/default/modules.symbols
+Checking /mnt/root, please wait ...
+--Remove /mnt/root/.ssh/id_rsa
+--Remove /mnt/root/.ssh/id_rsa.pub
+Checking /mnt/core_files, please wait ...
+Checking /mnt/etc/fabos/rbac, please wait ...
+--Remove /mnt/etc/fabos/rbac/dynamic.tmp
+Finish cleanup of /mnt
+FLEX-A1-BLUE:root> df -h
+Filesystem            Size  Used Avail Use% Mounted on
+/dev/root             377M  235M  123M  66% /
+/dev/hda3             193M   16M  167M   9% /core_files
+/dev/hda1             377M  264M   93M  74% /mnt
+</cli>
+===== SSH not working, unable to firmwaredownload =====
+===== SSH not working, unable to firmwaredownload =====
+<cli prompt='>'>
+sansw01:admin> firmwaredownload -p sftp 10.10.10.10,root,/export/software/firmwares/san/v8.2.3c1_pha,Mypasswd
+Server IP: 10.10.10.10, Protocol IPv4
+Checking system settings for firmwaredownload...
+Failed to access sftp://root:************@10.10.10.10//export/software/firmwares/san/v8.2.3c1_pha/release.plist
+The server is inaccessible or firmware path is invalid. Please make sure the server name/IP address and the firmware path are valid, the protocol and authentication are supported. It is also possible that the RSA host key could have been changed and please contact the System Administrator for adding the correct host key.
+</cli>
+<cli prompt='>'>
+sansw01:admin> seccryptocfg --default -type SSH -force
+Terminating all SSH/SCP sessions running
+</cli>
+Then retry the download
+Additionnaly you can disable IPsec
+<cli>
+ipsecConfig --disable
+</cli>
 ===== Defect Gbic module =====
@@ Line 8: / Line 156: @@
 sfpshow <port_no> --> check RX and TX value at end (uW values)
-If **RX** value is low (compare with others Gbics with same speed), then Gbic is defect on **host side**, or cable, else, **Tx** low value problem commes from **Brocade switch Gbic** (or potentially from Gbic slot), or cable
+  * **RX** value is low (compare with others Gbics with same speed), then Gbic is defect on **host side**, or cable (rare time from Gbic on SAN switch)
+  * **Tx** low value problem comes from **Brocade switch Gbic** (or potentially from Gbic slot), or cable
 **Example** here with lower RX Power, compare to the same port with no problems, so the problem is related to host side, or cable
+<cli prompt='>'>
+sansw01:FID128:admin> sfpshow -all
+</cli>
+Or
 <cli prompt='>'>
 sansw01:FID128:admin> sfpshow 12/34
@@ Line 28: / Line 181: @@
 </cli>
+reset error statistics:\\
+**statsclear** --> useful to see new errors
-reset error statistics:
-statsclear --> useful to see new errors
@@ Line 74: / Line 224: @@
 ===== Buffer credit problem =====
-Check the parameters <fc #FF0000>**tim64_txcrd_z**</fc> (Time BB_credit zero) and <fc #FF0000>**stat64_inputBuffersFull**</fc> (Occasions on which input buffers are full).
+Check the parameters **tim64_txcrd_z** (Time BB_credit zero) and **stat64_inputBuffersFull** (Occasions on which input buffers are full).
 <cli prompt='>'>
 besw32:admin> portstats64show 3/5
@@ Line 224: / Line 374: @@
 LABSAN01:FID128:root> kill 18474
 </cli>
+As root check the files permissions
+<cli prompt='>'>
+CURB04:FID128:root> cd /fabos/users/admin/
+CURB04:FID128:root> ls -l
+total 16
+-rw-r--r--   1 admin    admin         507 May 24  2018 .bash_logout
+-rw-r--r--   1 admin    admin          27 May 24  2018 .inputrc
+-rw-r--r--   1 admin    admin        1347 May 24  2018 .profile
+drwxr-xr-x   2 admin    admin        4096 Nov  7  2018 .ssh/
+CURB04:FID128:root> cd .ssh/
+CURB04:FID128:root> ls -l
+total 24
+-rw-r--r--   1 root     root        10240 Nov  7  2018 authorizedKeys.tar
+-rw-------   1 root     root          790 Nov  7  2018 authorized_keys
+-rw-------   1 admin    admin         790 Feb  9  2018 authorized_keys.admin
+-rw-r--r--   1 admin    admin         134 May 24  2018 environment
+</cli>
+check authorized key file for admin

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