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This happens randomly for all devices from what I've seen.System boots entirely from the CX700 SAN storage and as such has no localy attached drives.Error cutout from /var/log/messages (this stuff really Sense: Invalid message errorstorvsc: Sense Key : Illegal Request [current]storvsc: Add. qla2xxx 0000:0c:00.1: LOOP UP detected (4 Gbps). Sense: Invalid message errorsd 4:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00__ratelimit: 80 callbacks suppressedend_request: I/O error, dev sdb, sector 0__ratelimit: 110 callbacks suppressedBuffer I/O http://dssoundware.com/o-error/end-request-o-error.php

Sense: Logical unit not ready, manual intervention required end_request: I/O error, dev sdb, sector 0 Buffer I/O error on device sdb, logical block 0 sd 1:0:0:0: Device not ready: <6>: Current: We Acted. I am certain that your array hardware itself is an A/P array & ofcourse you can not make to work A/A with DMP.. Report Abuse Like Show 0 Likes (0) 5. https://community.emc.com/thread/145678?start=0&tstart=0

End Request I/o Error Dev Sda Sector

check out your array model & mode . View Responses Resources Overview Security Blog Security Measurement Severity Ratings Backporting Policies Product Signing (GPG) Keys Discussions Red Hat Enterprise Linux Red Hat Virtualization Red Hat Satellite Customer Portal Private Groups ps_tricks/by setting the driver option on /etc/modprobe.confCode: Select alloptions qla2xxx ql2xprocessrscn=1some more details of the architure of the system :2 nodes connected to EMC storage , with dual channels HBA QLogicboth E.g you have the errors for sdb, then sdc and sdd is ok, then you have the errors for sde again.

Locate partners—or learn about becoming one.Find EMC PartnersEMC Business Partner ProgramBecome an EMC ResellerPartner CommunityPartner PortalRSA PartnersDell PartnerDirectContact UsPartner with EMC today.Live ChatContact SalesCall 1-866-438-3622Call 1-866-438-3622Company InformationKeep up with the news, It should answer all your question, and I notice that there are few new updates for RHEL/CentOS 6.2 Kernels/Native Multipathing. Once the fileter has been configured correctly you need to run the following commands: $ vgscan -v (Rebuilds the LVM Cache) $ lvmdiskscan (Verify that the devices you expect to be Express End Request You should look at the PowerPath Installation Guide, specifically the "configuring LVM2 support" section.

I can't say there is any impact on these hosts beside the mass of messages in the messages file. check out your array model & mode . I have experienced the same problem even with the newest driver version compiled from qla2xxx-src-v8.03.07.14.5.6-k )filename: /lib/modules/2.6.32-220.23.1.el6.x86_64/kernel/drivers/scsi/qla2xxx/qla2xxx.kofirmware: ql2500_fw.binfirmware: ql2400_fw.binfirmware: ql2322_fw.binfirmware: ql2300_fw.binfirmware: ql2200_fw.binfirmware: ql2100_fw.binversion: 8.03.07.05.06.2-klicense: GPLdescription: QLogic Fibre Channel HBA Driverauthor: QLogic http://discussions.citrix.com/topic/238940-end-request-io-error-dev-sdb-sector-0/ You can not send IOs on passive paths 2) It seems to be Active/Passive configuration of EMC disks in VxDMP.

one that actually supports ALUA.Yeh... How To End A Request For A Letter Of Recommendation A reboot would also work in this case.Example: the log messages you posted are about device "sdef". Sense: Invalid message errorstorvsc: Sense Key : Illegal Request [current] yoke88 IM:[email protected] Friday, November 27, 2015 8:53 AM Reply | Quote Answers 0 Sign in to vote hi guys ,when i Regards,Pedro Sousa 1366-238940-1432314 Back to top Ilya Chistyakov Members #10 Ilya Chistyakov 43 posts Posted 09 February 2011 - 10:49 AM I have a same problem.

End Request Io Error

qla2xxx 0000:0c:00.1: LIP occured (f7f7). https://community.hpe.com/t5/System-Administration/a-lot-of-quot-Buffer-I-O-error-quot-and-quot-end-request-I-O/td-p/4717993 The errors can safely be filtered through the OS logging configuration or the user can avoid access to native devices (as opposed to using /dev/mapper devices). End Request I/o Error Dev Sda Sector Explore Labs Configuration Deployment Troubleshooting Security Additional Tools Red Hat Access plug-ins Red Hat Satellite Certificate Tool Red Hat Insights Increase visibility into IT operations to detect and resolve technical issues How To End A Request Letter Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Post Reply Print view 7 posts • Page 1 of 1 Return

Here's the output: [[email protected] etc]# multipath -ll -v2 360060160495121009cd69397a942dd11dm-0 DGC,RAID 5 [size=302G][features=1 queue_if_no_path][hwhandler=1 emc] \_ round-robin 0 [prio=2][active] \_ 3:0:1:0 sdc 8:32 [active][ready] \_ 4:0:1:0 sde 8:64 [active][ready] \_ round-robin 0 this content Sense: Logical unit not ready, manual intervention required end_request: I/O error, dev sde, sector 0 sd 1:0:1:1: Device not ready: <6>: Current: sense key: Not Ready Add. configuration: (fully supported by HP and EMC)all hosts are running Enterprise Linux AS release 4 (Nahant Update 5), with kernel version of 2.6.9-55.EL (SMP) - built by gcc 3.4.6, running on I have tested multiple linux os with different versions 。 for example centos 5.11 centos 6.6 centos 6.7 with default LIS version or LIS 4 . How To End A Request Email

PCI: Setting latency timer of device 0000:0c:00.0 to 64 qla2xxx 0000:0c:00.0: Configure NVRAM parameters... Learn more about Red Hat subscriptions Product(s) Red Hat Enterprise Linux Category Troubleshoot Tags emc rhel_5 Quick Links Downloads Subscriptions Support Cases Customer Service Product Documentation Help Contact Us Log-in Assistance By using this site, you accept the Terms of Use and Rules of Participation. End of content United StatesHewlett Packard Enterprise International CorporateCorporateAccessibilityCareersContact UsCorporate ResponsibilityEventsHewlett Packard LabsInvestor RelationsLeadershipNewsroomSitemapPartnersPartnersFind a PartnerPartner http://dssoundware.com/o-error/end-request-i-o-error.php yoke88 IM:[email protected] [[email protected] ~]# modinfo hv_storvsc filename: /lib/modules/2.6.32-573.el6.x86_64/extra/hv_storvsc.ko alias: vmbus:4acc9b2f6900f34ab76b6fd0be528cda alias: vmbus:32264132cb86a2449b5c50d1417354f5 alias: vmbus:d96361baa104294db60572e2ffb1dc7f version: 4.1-alpha-1 description: Microsoft Hyper-V virtual storage driver license: GPL srcversion: 5759AE1B0B7D2E4A2677AB3 alias: vmbus:4acc9b2f6900f34ab76b6fd0be528cda alias: vmbus:32264132cb86a2449b5c50d1417354f5 alias:

qla2xxx 0000:0c:00.0: LOOP UP detected (4 Gbps). End_request I O Error Dev Sda Sector 0 Fix: This is normal behavior for Linux native multipath, and the errors do not indicate an array issue. on other system connected to this array (with diffrent OS types) I found no error.

Sense: Logical unit not ready, manual intervention required Mar 9 03:35:28 lme0031 kernel: Mar 9 03:35:28 lme0031 kernel: end_request: I/O error, dev sdmg, sector 20971512 Mar 9 03:35:28 lme0031 kernel: Buffer

Several functions may not work. PBDs (SRO): 1da1326a-222a-5631-a79e-xxx; 4129794e-69d7-2ecd-f4cc-xxx virtual-allocation ( RO): 153473777664 physical-utilisation ( RO): 164299276288 physical-size ( RO): 1649254858752 type ( RO): lvmoiscsi content-type ( RO): shared ( RW): true other-config (MRW): auto-scan: false You must modify the /etc/lvm/lvm.conf file so that LVM2 recognizes a PowerPath pseudo device as the single path to LUN. Sense: Logical unit not ready, manual intervention required [root at linux4 ~]# pvs Found duplicate PV bh1L5cO1rWjVfKUc8RRNfmvaLxhgNgga: using /dev/emcpowerb not /dev/sdb Found duplicate PV bh1L5cO1rWjVfKUc8RRNfmvaLxhgNgga: using /dev/sdd not /dev/emcpowerb Found duplicate

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You can not send IOs on passive paths 2) It seems to be Active/Passive configuration of EMC disks in VxDMP. Usually Old clariion boxes were A/P while symmterix was A/A 3) If it is, then how to make it Active/Active, means all path are enable ,no primary & secondary -- If You might want to exclude the gatekeepers (and other Symmetrix special LUNs) from monitoring if that is the case: how to do that depends on which monitoring program you're using.MK MK Go to Solution. 0 Kudos Reply All Forum Topics Previous Topic Next Topic 1 REPLY Matti_Kurkela Honored Contributor [Founder] Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print

Sense: Logical unit not ready, manual intervention required Mar 9 03:35:28 lme0031 kernel: Mar 9 03:35:28 lme0031 kernel: end_request: I/O error, dev sdmg, sector 0 Mar 9 03:35:28 lme0031 kernel: Buffer Sense: Invalid message errorsd 4:0:0:2: [sdd] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00end_request: I/O error, dev sdd, sector 0Buffer I/O error on device sdd, logical block Please refer the belwo outputs. [[email protected] tmp]# vxdisk list cx3-W5-dme0011_176 Device: cx3-W5-dme0011_176 devicetag: cx3-W5-dme0011_176 type: auto hostid: lme0031 disk: name=cx3-W5-dme0011_176 id=1287229140.308.lme0031 group: name=dgoraLVAarcadm id=1287229193.314.lme0031 info: format=cdsdisk,privoffset=256,pubslice=3,privslice=3 flags: online ready private autoconfig Since it is not random sector.Meanwhile, for your configuration about PowerPath or Linux Native Multipathing, please refer to latest EMC Host Connectivity for Linux.

Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Subscribe Printer Friendly Page Solved! qla2xxx 0000:0c:00.1: Allocated (1413 KB) for firmware dump... Starting and stopping takes up to minutes: end_request: I/O error, dev sde, sector 0 end_request: I/O error, dev sdi, sector 0 2 XenServer (DELL PE2950) in a pool with: - XenServer You want to configure LVM not to scan, filter out, the sd devices that is a path to the SAN LUN.

Example for RHEL 4 U4 and RHEL 5 if / (root) file system not mounted on a LVM volume. Showing results for  Search instead for  Do you mean  Menu Categories Solutions IT Transformation Internet of Things Topics Big Data Cloud Security Infrastructure Strategy and Technology Products Cloud Integrated Systems Networking Sense: Logical unit not ready, manual intervention required end_request: I/O error, dev sdb, sector 0 Buffer I/O error on device sdb, logical block 0 sd 1:0:0:0: Device not ready: <6>: Current: Some help was had going to the "deadline" scheduler Code: Select allecho "deadline" > /sys/block/emcpowera/queue/scheduler and I ended up with a big option line in the modprobe.conf like Code: Select alloptions

It seems like your problem. Get your array details, that would be able to help out.. Sense: Logical unit not ready, manual intervention required end_request: I/O error, dev sdb, sector 0 Buffer I/O error on device sdb, logical block 0 sd 1:0:0:0: Device not ready: <6>: Current: If you have some hardware health monitoring program that attempts to probe all disks, the gatekeeper devices might not respond the same as real storage LUNs.

Open Source Communities Subscriptions Downloads Support Cases Account Back Log In Register Red Hat Account Number: Account Details Newsletter and Contact Preferences User Management Account Maintenance My Profile Notifications Help Log If the messages are about a LUN that has been unpresented, you could use "echo 1 > /sys/block//device/delete" to tell the kernel that the LUN/path is gone and won't be coming Get your array details, that would be able to help out.. Hello, It is very well Gaurav_S Moderator Trusted Advisor Certified ‎03-09-2011 02:02 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate