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x120 VPS服务器换硬盘

Posted by zuzhihui in 最新消息 on 2011/04/01 with No Comments

sdb3和sda1同时坏了，这种几率太小了，平生第一次碰到。好在都坏的不彻底，于是先把sda1修复，然后换掉sdb，然后Rebuild RAID，Rebuild完成之后再换掉sda。整个过程预计要花48小时，在此期间VPS的性能会下降一些，实在抱歉。


[root@x120 ~]# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdb2[1] sda2[0]
4200896 blocks [2/2] [UU]

md2 : active raid1 sdb3[2](F) sda3[0]
467403072 blocks [2/1] [U_]

md1 : active raid1 sdb1[1] sda1[2](F)
16779776 blocks [2/1] [_U]

快讯：日本地震影响中国电信海底光缆，访问美国VPS速度慢

Posted by zuzhihui in 最新消息 on 2011/03/11 with No Comments

根据 http://news.qq.com/a/20110311/002681.htm ，中国电信称国际光缆因地震故障 访问北美网速慢，中国电信通透露其国际光缆受日本地震影响的情况，访问北美方向网速受影响。

瑞豪开源测试后发现，中国联通访问美国VPS速度照常，国外访问美国VPS速度照常，只有中国电信用户受此影响

x117服务器换硬盘

Posted by zuzhihui in 最新消息 on 2011/03/06 with No Comments

x117服务器上的sda硬盘报错，所有VPS运行缓慢。于是我们热插拔换掉sda，RAID正在同步中。。。

/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Sending warning via mail to root …
/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Warning via mail to root: successful
/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Sending warning via mail to root …
/var/log/messages:Mar 6 11:03:29 x117 smartd[2877]: Warning via mail to root: successful
/var/log/messages:Mar 6 11:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 11:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 12:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 12:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 12:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 12:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 13:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 13:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 13:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 13:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 14:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 14:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 14:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 14:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 15:03:30 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 15:03:30 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 15:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 15:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 16:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 16:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 16:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 16:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 17:03:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 17:03:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
/var/log/messages:Mar 6 17:33:29 x117 smartd[2877]: Device: /dev/sda, not capable of SMART self-check
/var/log/messages:Mar 6 17:33:29 x117 smartd[2877]: Device: /dev/sda, failed to read SMART Attribute Data
[root@x117 ~]# grep sda /var/log/messages*
/var/log/messages:Mar 6 04:22:50 x117 kernel: disk 0, wo:0, o:1, dev:sda2
/var/log/messages:Mar 6 10:41:26 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:41:26 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:41:26 x117 kernel: SCSI device sda: drive cache: write back
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: drive cache: write back
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: drive cache: write back
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: drive cache: write back
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: drive cache: write back
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Current: sense key: Aborted Command
/var/log/messages:Mar 6 10:45:23 x117 kernel: end_request: I/O error, dev sda, sector 942963076
/var/log/messages:Mar 6 10:45:23 x117 kernel: raid1: sda3: rescheduling sector 901001296
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
/var/log/messages:Mar 6 10:45:23 x117 kernel: sda: Write Protect is off
/var/log/messages:Mar 6 10:45:23 x117 kernel: SCSI device sda: drive cache: write back

客户中心URL地址变更

Posted by zuzhihui in 最新消息 on 2011/03/01 with No Comments

瑞豪开源的客户中心的地址从以前的https://rashost.com/client变更为新的 http://my.rashost.com

另外，每个人的推荐链接的地址也跟着变化了，比如以前的推荐链接https://rashost.com/client/aff.php?aff=194变化为现在的 http://my.rashost.com/aff.php?aff=194 ，请注意以前是用的https，现在是http。

我们已经做了301指向，老地址会自动转向新地址。也请客户以后都使用新的地址。

关于中国联通到美国cogent线路VPS网络慢的问题

Posted by zuzhihui in 最新消息 on 2011/02/20 with No Comments

从2010年某个时候开始，中国联通的用户访问美国cogent线路的vps效果变的很差，经常出现ping丢包的情况。

在中国联通访问出问题的时候，中国电信和世界各地其他地方访问是非常快的，从测试网站 http://internetsupervision.com 和 http://www.webkaka.com/WebCheck.aspx 测试也没有问题。这个问题应该是中国联通国际出口的问题，和cogent接口的问题。

这个问题会持续多长时间？这个取决于中国联通，我们无能为力，或许在某个时候，中国联通访问美国cogent会变的快起来。

对于使用中国联通的VPS客户，我们可以给更换VPS到其他线路，更换VPS是免费的，更换VPS的流程是： http://rashost.com/blog/move-vps

除了cogent线路，我们其他线路的测试IP有：

he-t2.rashost.com

he-egi.rashost.com

he-egi2.rashost.com

he-egi3.rashost.com

he-webnx.rashost.com

瑞豪开源正式提供Debian 6.0 (Squeeze) VPS

Posted by zuzhihui in Linux技术 on 2011/02/19 with No Comments

Debian Linux是一个非常方便的Linux发行版。Debian 6.0 (Squeeze)已经于2011年2月6日(农历正月初三)发布了。经过几天的测试，瑞豪开源今天正式推出Debian 6.0 (Squeeze) VPS。

Debian 6 VPS采用2.6.32的内核，32位的系统启动后仅占用7M内存，是占用内存最小的VPS。瑞豪开源强烈建议熟悉Linux技术的客户使用Debian 6 VPS，apt-get非常灵活，方便。

下面是32位Debian 6 VPS刚启动后的信息：

root@localhost:~# free -m
total used free shared buffers cached
Mem: 121 49 72 0 1 40
-/ buffers/cache: 7 113
Swap: 0 0 0
root@localhost:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 7.9G 590M 6.9G 8% /
tmpfs 61M 0 61M 0% /lib/init/rw
udev 51M 24K 51M 1% /dev
tmpfs 61M 4.0K 61M 1% /dev/shm
root@localhost:~# uname -r
2.6.32-5-686-bigmem

下面是64位Debian 6 VPS刚启动后的信息：

root@localhost:~# free -m
total used free shared buffers cached
Mem: 119 24 94 0 0 12
-/ buffers/cache: 11 107
Swap: 0 0 0
root@localhost:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 7.9G 617M 6.9G 9% /
tmpfs 60M 0 60M 0% /lib/init/rw
udev 47M 32K 47M 1% /dev
tmpfs 60M 4.0K 60M 1% /dev/shm
root@localhost:~# uname -r
2.6.32-5-amd64

x124服务器换硬盘，VPS未中断

Posted by zuzhihui in 最新消息 on 2011/02/06 with No Comments

今天有客户反映有VPS非常慢，检查发现是x124物理服务器的一块硬盘有故障，RAID已经是单硬盘在运行，Linux日志报告sdb不支持SMART：


[root@x124 ~]# grep sdb /var/log/messages
Jan 30 04:12:14 x124 smartd[2928]: Device: /dev/sdb, not capable of SMART self-check
Jan 30 04:12:14 x124 smartd[2928]: Device: /dev/sdb, failed to read SMART Attribute Data
Jan 30 04:42:14 x124 smartd[2928]: Device: /dev/sdb, not capable of SMART self-check
Jan 30 04:42:14 x124 smartd[2928]: Device: /dev/sdb, failed to read SMART Attribute Data
Jan 30 05:12:13 x124 smartd[2928]: Device: /dev/sdb, not capable of SMART self-check
Jan 30 05:12:13 x124 smartd[2928]: Device: /dev/sdb, failed to read SMART Attribute Data

于是拔出sdb，换了一块新硬盘，重建RAID。硬盘都是热插拔的，整个过程服务器没有中断，服务器上所有的VPS都没有中断，正常运行。RAID重建需要几十个小时，在此过程中VPS可能会感觉IO比较慢，RAID重建完成就好了。

x402断网一个小时

Posted by zuzhihui in 最新消息 on 2011/02/04 with 1 Comment

硅谷机房的x402服务器在2011/2/4晚上7点出现网络故障，这个服务器上面的所有VPS ping起来都没有任何反映。马上联系机房，机房说是机房的网络问题，服务器没有任何问题。到晚上8点，网络恢复，x402服务器上上面的所有vps都正常了。关于这个事故，机房还没有给出解释。

关于VPS被攻击

Posted by zuzhihui in 最新消息 on 2011/01/28 with No Comments

做网站有可能会被攻击，虽然这个可能性很小，但还是存在的。无论是VPS，虚拟主机还是独立服务器，都有可能会被攻击。

VPS等网站被攻击的原因，基本上都和网站内容有关系，比如私服，赌博之类的网站被攻击的可能性就比较大。而一般的网站，是极少被攻击的。

对于一般的攻击，我们机房可以抵挡。对于比较大型的DDOS攻击，机房无法抵挡，机房只能把被攻击的IP给封掉。大型的DDOS会发起非常大的流量涌向机房，把机房的整个入口给淹没掉，这时会导致机房里所有的VPS都无法和外界通信。这时候如果仅仅停掉被攻击的VPS或者服务器，是没法化解机房入口拥堵的流量的，必须把被攻击的IP从路由器上做空，这样相当于对外界广播：“此IP现在已经不在我们机房”，这样攻击的流量就不会被路由到机房的入口，机房就恢复正常了。

为了给各位vps客户提供更加稳定的网络，必须要杜绝或者最大限度减少被大型DDOS攻击的可能性。所以机房决定，如果被大型DDOS攻击，将封IP至少24小时，24小时后客户申请解封IP。给机房其他客户造成损失的，罚款150元。请大家理解。

x119 换硬盘

Posted by zuzhihui in 最新消息 on 2011/01/22 with No Comments

x119今天在负载达到30，而各个vps并不繁忙，日志里发现硬盘故障信息。重启x119，重启过程花了30分钟，重启过程中报告sda错误：

[ OK ]
Starting sshd: [ OK ]
Starting ntpd: [ OK ]
Starting console mouse services: [ OK ]
Starting httpd: [ OK ]
Starting crond: [ OK ]
Starting anacron: [ OK ]
Starting atd: [ OK ]
Starting yum-updatesd: [ OK ]
Starting Avahi daemon… [ OK ]
Starting xend: Bridge firewalling registered
ata1.00: exception Emask 0×0 SAct 0x7fffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 26 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x7fffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 23 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x7fffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 7 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x79cf373f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0xffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 17 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0xffff75 SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 6 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x67fffe SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 16 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3ff9ff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
end_request: I/O error, dev sda, sector 50865972
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0×19861 SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 6 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x1ff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
Nothing to flush.
ata1.00: exception Emask 0×0 SAct 0x1f8 SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
end_request: I/O error, dev sda, sector 50867892
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3ff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3e7 SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 5 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 1 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 4 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
end_request: I/O error, dev sda, sector 50866060
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x1f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 1 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0×1 SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 0 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x1f SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 0 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0xffc7ff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 14 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3ffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 9 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x3fffffb SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 16 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x187fffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 9 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0x7ffffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 15 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0xe7fffff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 11 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
end_request: I/O error, dev sda, sector 50901556
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
ata1.00: exception Emask 0×0 SAct 0xfff SErr 0×0 action 0×0
ata1.00: (irq_stat 0×40000008)
ata1.00: tag 5 cmd 0×60 Emask 0×9 stat 0×41 err 0×40 (media error)
SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
sda: Write Protect is off
SCSI device sda: drive cache: write back
[ OK ]
Starting smartd: [ OK ]

CentOS release 5.4 (Final)

于是要求机房换硬盘。x119此前连续运行283天。

[root@x119 xen]# w
03:39:43 up 283 days, 22:53, 3 users, load average: 27.99, 27.96, 26.66
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root xvc0 - 19Sep10 124days 8:33 0.10s /usr/bin/python2.4 /usr/sbin/xm top
admin pts/19 58.51.45.33 03:38 1:16 0.16s 0.01s sshd: admin [priv]
root pts/8 x111.rashost.com 03:37 0.00s 0.02s 0.01s w

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