Oooops,  32 bit kernel....

what can be done? or just reinstall the system?

2012/12/30 Phil Doroff <phi...@gmail.com>

> That's strange.  I have no useful input, but I'm simply chiming in to
> state that we have much larger than 2TB iSCSI LUNs working fine, under
> CentOS 5.x here.  I can't imagine CentOS 6.x would regress in that manner.
>
> The only time I've seen something similar (especially the 0 byte size
> export) is when we have neglected to give a specific initiator access to a
> given LUN on the target side - the LUNs still show up, and you get a block
> device - but it's zero length as shown here.  I don't believe it's the same
> issue, but just tossing it out there!
>
> I am assuming a 64bit kernel?
>
> -Phil
>
>
> On Sun, Dec 30, 2012 at 8:41 AM, Didenko <iru...@gmail.com> wrote:
>
>> I have Segate Blackarmor 440 4x2TB HD in raid 5
>>
>> i create ISCSI device
>> 5493 GB    0   Full Access
>>
>> service iscsi start
>>
>> iscsiadm -m discovery -t st -p 192.168.0.2
>>
>> fdisk -l no see new disk
>>
>> dmesg
>>
>> scsi5 : iSCSI Initiator over TCP/IP
>> scsi 5:0:0:0: Direct-Access SCST_FIO BZ 200 PQ: 0 ANSI: 5
>> sd 5:0:0:0: Attached scsi generic sg1 type 0
>> sd 5:0:0:0: [sdb] 0 512-byte logical blocks: (0 B/0 B)
>> sd 5:0:0:0: [sdb] 4096-byte physical blocks
>> sd 5:0:0:0: [sdb] Write Protect is off
>> sd 5:0:0:0: [sdb] Mode Sense: 83 00 10 08
>> sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, supports DPO
>> and FUA
>> sd 5:0:0:0: [sdb] Attached SCSI disk
>>
>> [root@localhost ~]# sg_readcap --16 /dev/sdb
>> Read Capacity results:
>> Protection: prot_en=0, p_type=0, p_i_exponent=0
>> Thin provisioning: tpe=0, tprz=0
>> Last logical block address=18446744073709551615 (0xffffffffffffffff),
>> Number of logical blocks=0
>> Logical block length=512 bytes
>> Logical blocks per physical block exponent=3
>> Lowest aligned logical block address=0
>> Hence:
>> Device size: 0 bytes, 0.0 MiB, 0.00 GB
>>
>> [root@localhost ~]# sg_readcap --pmi /dev/sdb
>> READ CAPACITY (10) indicates device capacity too large
>> now trying 16 byte cdb variant
>> Read Capacity results:
>> Protection: prot_en=0, p_type=0, p_i_exponent=0
>> Thin provisioning: tpe=0, tprz=0
>> PMI mode: given lba=0x0, last lba before delay=0xffffffffffffffff
>> Logical block length=512 bytes
>> Logical blocks per physical block exponent=3
>> Lowest aligned logical block address=0
>> any help ?
>>
>> If i creat iscsi device little 2TB  .. i can join in Centos ..not any
>> problem
>> iscsi initiator last version
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