<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=big5"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="chsdate"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="chmetcnv"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/>  <style>  </style> </head> <body lang=ZH-TW link=blue vlink=purple style='text-justify-trim:punctuation'> <div class=Section1 style='layout-grid:18.0pt'> HI<o:p></o:p> Can anyone help me with this ?<o:p></o:p> mkfs.xfs uses the BLKGETSIZE64 ioctl to get the device size; <o:p></o:p> error = ioctl(fd, BLKGETSIZE64, &size);<o:p></o:p> returns "size" in bytes.<o:p></o:p> <o:p> </o:p> This looks like a devicemapper bug, in dm_blk_ioctl() they're assigning a full unsigned 32 bits of device size to a signed 32 bit size, and start running into trouble with sign extension when they cast it up.<o:p></o:p> <a href="http://oss.sgi.com/bugzilla/show_bug.cgi?id=646">http://oss.sgi.com/bugzilla/show_bug.cgi?id=646</a><o:p></o:p> <o:p> </o:p> --<o:p></o:p> Best regards, Michael Yao<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com] On Behalf Of <st1:PersonName w:st="on">Michael Yao -姚志臻</st1:PersonName> Sent: Thursday, April 13, 2006 5:06 PM To: dm-devel@redhat.com Cc: Chia Chao -趙嘉強; <st1:PersonName w:st="on">Alex Cheng -鄭智仁</st1:PersonName> Subject: [dm-devel] [EVMS][XFS][DM] We cannot create XFS file system on theevms volume larger than 1TB<o:p></o:p> </div> <o:p> </o:p> <o:p> </o:p> Hi, I have FOUR 500GB SATA hard disks.<o:p></o:p> I created a 1.4TB evms volume, and it failed when I want to make XFS filesystem on it. <o:p></o:p> These are the snapshots:<o:p></o:p> root@2TB:~# mkfs.xfs -f -L volume1 /dev/evms/volume1<o:p></o:p> meta-data=/dev/evms/volume1 isize=256 agcount=4294967134, agsize=1048576 blks<o:p></o:p> = sectsz=512<o:p></o:p> data = bsize=4096 blocks=4503599456772095, imaxpct=25<o:p></o:p> = sunit=0 swidth=0 blks, unwritten=1<o:p></o:p> naming =version 2 bsize=4096<o:p></o:p> log =internal log bsize=4096 blocks=32768, version=1<o:p></o:p> = sectsz=512 sunit=0 blks<o:p></o:p> realtime =none extsz=65536 blocks=0, rtextents=0<o:p></o:p> mkfs.xfs: pwrite64 failed: Invalid argument<o:p></o:p> root@2TB:~# mkfs.xfs -f -L volume1 -d size=<st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="100" UnitName="m" w:st="on">100m</st1:chmetcnv> /dev/evms/volume1<o:p></o:p> meta-data=/dev/evms/volume1 isize=256 agcount=6, agsize=4267 blks<o:p></o:p> = sectsz=512<o:p></o:p> data = bsize=4096 blocks=25600, imaxpct=25<o:p></o:p> = sunit=0 swidth=0 blks, unwritten=1<o:p></o:p> naming =version 2 bsize=4096<o:p></o:p> log =internal log bsize=4096 blocks=1200, version=1<o:p></o:p> = sectsz=512 sunit=0 blks<o:p></o:p> realtime =none extsz=65536 blocks=0, rtextents=0<o:p></o:p> mkfs.xfs: pwrite64 failed: Invalid argument<o:p></o:p> <o:p> </o:p> 4503599456772095 probably isn't correct, it should be 357687.<o:p></o:p> It seems to have a disconnection between what evms is reporting for the size of the partition and what mkfs is getting. <o:p></o:p> And it won’t happen in non-EVMS/DM devices.<o:p></o:p> As described in <a href="http://oss.sgi.com/bugzilla/show_bug.cgi?id=267">http://oss.sgi.com/bugzilla/show_bug.cgi?id=267</a> <o:p></o:p> <o:p> </o:p> Setup: device-mapper <st1:chsdate IsROCDate="False" IsLunarDate="False" Day="30" Month="12" Year="1899" w:st="on">1.01.05</st1:chsdate>/Driver version 4.1.1, evms2.5.5, linux 2.4.31<o:p></o:p> <o:p> </o:p> And these are the evms commands:<o:p></o:p> asm:DosSegMgr={}, sda<o:p></o:p> asm:DosSegMgr={}, sdb<o:p></o:p> asm:DosSegMgr={}, sdc<o:p></o:p> asm:DosSegMgr={}, sdd<o:p></o:p> create: Segment, sda_freespace1, primary=false<o:p></o:p> create: Segment, sdb_freespace1, primary=false<o:p></o:p> create: Segment, sdc_freespace1, primary=false<o:p></o:p> create: Segment, sdd_freespace1, primary=false<o:p></o:p> create: Region, MDRaid5RegMgr={}, sda5, sdb5, sdc5, sdd5<o:p></o:p> create: Container, LvmRegMgr={name="Con_volume1", pe_size=32MB}, md/md0<o:p></o:p> create: Region, LvmRegMgr={name="Reg_volume1", size=1.4TB}, "lvm/Con_volume1/Freespace"<o:p></o:p> create: Volume, "lvm/Con_volume1/Reg_volume1", Name="volume1“<o:p></o:p> mkfs: XFS={vollabel=volume1}, /dev/evms/volume1<o:p></o:p> <o:p> </o:p> --<o:p></o:p> Best regards, Michael Yao<o:p></o:p> <o:p> </o:p> </div> </body> </html>