This is a multi-part message in MIME format. ------=_NextPart_000_00B0_01C119AF.370AA420 Content-Type: text/plain; charset="windows-1256" Content-Transfer-Encoding: quoted-printable Hi,=20 Original message : > >I've observed these warnings on our SUN clusterd E-450 Solaris 2.6 = machines.=20 > >Jul 20 23:13:31 pcls1 unix: WARNING: /pci@6,2000/scsi@1,1 (glm5): >Jul 20 23:13:31 pcls1 unix: WARNING: = ID[SUNWpd.glm.sync_wide_backoff.6014] >Jul 20 23:13:31 pcls1 unix: WARNING: /pci@6,2000/scsi@1,1/sd@9,0 = (sd128): > >Would anyone know what this warning means??? I think it's a Harddisk = issue? > The responses were as follows: Gabriel Rosenkoetter: >Sounds more like a SCSI cabling issue, but I'm really guessing >without the ability to look at your set up in more detail. > >If, however, a controller and a device both think they can do wide >communications, and then have to back off it, it speaks it an >unterminated end or too-long cables between the two devices. Grant Schoep: >We had the same problem with our E450 when we first got it. It = happenend when we added our old 20 >disk Multipack externally to our new = E450. Some >drives in it just didn't seem to want to run at full speed, = if >I remeber correctly, this message means its reducing the data = transfer rates because of sync problems. > >I would call Sun on it if you can and see if they have any good ideas. = It was awhile back,but I believe or troubles went away once we went down = to the shortest >SCSI cables possible, as well as make sure you have all = external devices terminated. Don't rely on the auto termination. I think = Sun also had us automatically use >a lower rate for a few of the = problematic drives. > >-grant Hindley Nick: >The system has decided, due to errors, that it will reduce the transfer = rate on the bus to the disk. >try reseating the disk - if that fails, then try it in a different slot = or change the disk. Result: As these are critical servers, I've contacted our SUN support (as = suggested by Grant) and they are working on it.=20 Thanks to you guy's, now I can render one more error ;-). Regards, Jassim Seyadi Senior Technical Officer/NS722 Internet Services Platform Bahrain Telecommunication Company ------=_NextPart_000_00B0_01C119AF.370AA420 Content-Type: text/html; charset="windows-1256" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Dwindows-1256"> <META content=3D"MSHTML 5.50.4134.600" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Hi, </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Original message :</FONT></DIV> <DIV><FONT face=3DArial size=3D2>></FONT></DIV> <DIV> <DIV><FONT face=3DArial size=3D2>>I've observed these warnings on our = SUN=20 clusterd E-450 Solaris 2.6 machines. </FONT></DIV> <DIV><FONT face=3DArial size=3D2>></FONT></DIV> <DIV>>Jul 20 23:13:31 pcls1 unix: WARNING: /pci@6,2000/scsi@1,1=20 (glm5):<BR>>Jul 20 23:13:31 pcls1 unix: WARNING:=20 ID[SUNWpd.glm.sync_wide_backoff.6014]<BR>>Jul 20 23:13:31 pcls1 unix: = WARNING: /pci@6,2000/scsi@1,1/sd@9,0 (sd128):</DIV> <DIV><FONT face=3DArial size=3D2>></FONT></DIV> <DIV><FONT face=3DArial size=3D2>>Would anyone know what this warning = means??? I think it's a Harddisk issue?</FONT></DIV> <DIV><FONT face=3DArial size=3D2>></FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV></DIV> <DIV><FONT face=3DArial size=3D2>The responses were as = follows:</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Gabriel Rosenkoetter:</FONT></DIV> <DIV>>Sounds more like a SCSI cabling issue, but I'm really=20 guessing<BR>>without the ability to look at your set up in more=20 detail.<BR>><BR>>If, however, a controller and a device both think = they=20 can do wide<BR>>communications, and then have to back off it, it = speaks it=20 an<BR>>unterminated end or too-long cables between the two = devices.</DIV> <DIV><BR> </DIV> <DIV>Grant Schoep:</DIV> <DIV>>We had the same problem with our E450 when we first got it. It=20 happenend when we added our old 20 >disk Multipack externally to our = new=20 E450. Some >drives in it just didn't seem to want to run at full = speed, if=20 >I remeber correctly, this message means its reducing the data = transfer rates=20 because of sync problems.<BR>><BR>>I would call Sun on it if you = can and=20 see if they have any good ideas. It was awhile back,but I believe or = troubles=20 went away once we went down to the shortest >SCSI cables possible, as = well as=20 make sure you have all external devices terminated. Don't rely on the = auto=20 termination. I think Sun also had us automatically use >a lower rate = for a=20 few of the problematic drives.<BR>><BR>>-grant</DIV> <DIV> </DIV> <DIV> </DIV> <DIV>Hindley Nick:</DIV> <DIV><SPAN class=3D125552609-23072001><FONT color=3D#0000ff = size=3D2>>The system=20 has decided, due to errors, that it will reduce the transfer rate on the = bus to=20 the disk.</FONT></SPAN></DIV> <DIV><SPAN class=3D125552609-23072001><FONT color=3D#0000ff = size=3D2>>try reseating=20 the disk - if that fails, then try it in a different slot or change the=20 disk.</FONT></SPAN></DIV> <DIV> </DIV> <DIV>Result:</DIV> <DIV>As these are critical servers, I've contacted our SUN = support (as=20 suggested by Grant) and they are working on it. </DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks to you guy's, now I can render = one more=20 error ;-).</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Regards,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Jassim Seyadi<BR>Senior Technical=20 Officer/NS722<BR>Internet Services Platform<BR>Bahrain Telecommunication = Company</FONT></DIV></BODY></HTML> ------=_NextPart_000_00B0_01C119AF.370AA420--Received on Tue Jul 31 08:54:47 2001
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