Logwriter Operating System Error 21the Device Is Not Ready. Encountered
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Operating System Error 1784 Sql Server
access to disks Rate Topic Display Mode Topic Options Author Message Sam GreeneSam Greene Posted Tuesday, February 19, 2008 2:08 operating system error 1784 supplied user buffer PM SSC Veteran Group: General Forum Members Last Login: Wednesday, November 4, 2015 3:49 PM Points: 253, Visits: 584 Hi, Last friday we installed incipient on our san switches, from what I know,
O/s-error (os 21) The Device Is Not Ready
it decouples the OS from the san and lets you move data around without making os changes - I'm not a SAN expert, so I won't pretend to know the details. We have two paths to the arrays (two switches). They installed on one switch and then the other. At this time our production server lost access to the tempdb with these error messages:- - - error: 823, severity: 24, state: 2. - SQL Server has encountered 1 occurrence(s) of I/O requests taking longer than 15 seconds to complete on file [J:\Logs\Budget_log.ldf] in database [Budget] (7). The OS file handle is 0x0000000000000B78. The offset of the latest long I/O is: 0x000000c4e9d400For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.- - - -LogWriter: Operating system error 21(The device is not ready.) encountered.For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.- - - -The log for database 'tempdb' is not available. Check the event log for related error messages. Resolve any errors and restart the database.- - - - Sql 2005 restarted itself. It then happened again today with a slightly different message on another server on the same array.-----17053 :LogWriter: Operating system error 1784(The supplied user buffer is not valid for the requested operation.) encountered.-----I thought it was just an issue at the install time, but now it's reoccuring - a major problem. SQL 2000 just sat there until I restarted sql service. Anyone have insight on this. I'm sure our SAN guys will have some ideas, but I was curious.Thanks Post #457638 Roy ErnestRoy Ernest Posted Tuesday, February 19, 2008 2:19 PM SSCrazy Group: General Fo
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Fcb::close-flush: Operating System Error (null) Encountered
by: Error: fcb::close-flush: Operating system error 21(The device is not
Error: 17053, Severity: 16, State: 1.
ready.) encountered SQL Server > SQL Server Database Engine Question 0 Sign in to vote write error during log flush We are using sql server 2005 Enterprise Edition with service pack1 I got the following error messages in the SQL log The operating http://www.sqlservercentral.com/Forums/Topic457638-146-1.aspx system returned error 21(The device is not ready.) to SQL Server during a read at offset 0x00000000090000 in file '....mdf'. Additional messages in the SQL Server error log and system event log may provide more detail. This is a severe system-level error condition that threatens database integrity and must be https://social.msdn.microsoft.com/Forums/sqlserver/en-US/b690c6be-795e-43e6-9716-1ab40a780c4a/error-fcbcloseflush-operating-system-error-21the-device-is-not-ready-encountered?forum=sqldatabaseengine corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online. fcb::close-flush: Operating system error 21(The device is not ready.) encountered. I got these errors for about 2 hrs and after that I see these messages in the sql log Starting up database ' ' 1 transactions rolled forward in database '' (). This is an informational message only. No user action is required. 0 transactions rolled back in database ' ' (). This is an informational message only. No user action is required. Recovery is writing a checkpoint in database ' ' ( ). This is an informational message only. No user action is required. CHECKDB for database '' finished without errors on (local time). This is an informational message only; no user action is required. Can anyone please help me in troublesh
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time https://www.experts-exchange.com/questions/27629962/SQL-Server-Errors.html Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > SQL Server Errors Want to Advertise Here? Solved SQL Server Errors Posted on 2012-03-13 MS SQL Server operating system 2008 Windows Server 2008 MySQL Server 1 Verified Solution 2 Comments 1,816 Views Last Modified: 2012-03-14 Errors started last night on SQL Server, and when our server guy rebooted a whole drive disappeared and he had to rebuild the partition. From what I've read these errors mean that there is a an IO subsystem issue, where SQL Server operating system error is having difficulty talking to one of the drives. I read that it can happen with SAN multipathing and connectivity- but I really have no idea what I'm talking about. My boss wants me to figure out what caused these errors. Here they are in order: LogWriter: Operating system error 21(The device is not ready.) encountered. The log for database 'Administration' is not available. Check the event log for related error messages. Resolve any errors and restart the database. fcb::close-flush: Operating system error (null) encountered. The operating system returned error 21(The device is not ready.) to SQL Server during a read at offset 0000000000000000 in file 'E:\SqlData\Administration.mdf'. Additional messages in the SQL Server error log and system event log may provide more detail. This is a severe system-level error condition that threatens database integrity and must be corrected immediately. Complete a full database consistency check (DBCC CHECKDB). This error can be caused by many factors; for more information, see SQL Server Books Online. A file activation error occurred. The physical