1. Log in first After the Alibaba Cloud account, find our control center and find the server management console. Special reminder to back up the data before replacing the system disk.
2. First, log in to the Alibaba Cloud account, find the control center and find the server management console. When the server stops running, clicking "Change System Disk" in the configuration information will then remind you to replace the impact of the ECS server system disk if there is no data.
3. First, after logging in to the Alibaba Cloud account, find our control center and find the server management console.
4. Enter the background of Alibaba Cloud and click [How to format and mount the disk for more Alibaba Cloud deploys Linux in the server below the instance? Step 4: Format and mount the disk. If you select the disk when creating the instance, after logging in to the instance, the system needs to format the disk first and then mount the disk.
5. Details Log in to the cloud service management console, select Cloud Service ECS, click Instance, and enter the instance page. On the instance list page, select More - Disk and Mirror, click Replace System Disk or Reinitialize Disk, and replace the operating system of the ECS server through such options.
6. Steps to change the operating system of Alibaba Cloud Server: Log in to the ECS management console. In the left navigation bar, click Instance and Mirror Instance. In the upper left corner of the top status bar, select the region. On the instance list page, find the target instance of the system disk to be replaced.
1. In RAID1, when a hard disk fails (failure occurs), the system can automatically switch to read/write on the mirror hard disk, and there is no need to reorganize the failed data. . Enter the disk space administrator storage pool and see an abnormal message. This space has been downgraded. It is recommended to replace the broken disk.
2. If RAID 1One hard disk is broken, and the data will not be lost, because RAID 1 is a mirror redundancy mode, and the other hard disk has a complete data backup. You only need to replace the damaged hard disk, and the RAID system will automatically resynchronize the data to the new hard disk.
3. It will affect that HD Tune may not accurately test the speed of the RAID card roll. There will be no problem if the bad disk is pulled out, and the system/data is normal. However, a new disk of the same type with a capacity of not less than the original disk should be inserted as soon as possible. The RAID card will automatically repair RAID1, otherwise the system/data will be in danger.
4. No need. By checking the official website of Zhongguancun Online, it can be seen that raid1 replacement hard disk can directly pull out the broken hard disk when it is turned on and replaced with a new hard disk. The system data will be automatically rebuilt, so there is no need to turn off the server.RAID1 generally refers to RAID1.
1. The difference between the server hard disk and the ordinary hard disk: the server hard disk is fast, the server hard disk is highly reliable, most of the server hard disks use the SCSI interface, the server hard disk can support hot-swapping, and the security of the server hard disk is high.
2. According to the query blog, the differences between server hard disks and ordinary hard disks are as follows: ordinary mechanical hard disks do not support hot-swapping. And most server hard disks support HotSwap, which can pull out or insert a hard disk when the server does not stop, and the operating system can automatically recognize changes in the hard disk.
3. Most server hard disks support hot-swapping. It can pull out or insert a hard disk when the server does not stop. The operating system can automatically identify the changes of the hard disk. Ordinary mechanical hard disks do not support hot-swapping.
4. The server hard disk cache is relatively large. 2 The server hard disk speed is relatively fast, and most of them are above 10000rpm/s. 3 The single disk capacity of the server hard disk is smaller than that of ordinary, and the total capacity of the hard disk is generally not the integer of the common ordinary hard disk, and most of them have zero heads. 4 The server hard disk can operate at high load for a long time.
5. With the continuous upgrading of hard disks on the market, cost-effective solid-state drives are becoming more and more popular. The reason is that solid-state drives have better performance in all aspects than traditional mechanical hard disks.
6. Compared with the hard disk of ordinary PCs, the hard disk used on the server has the following four characteristics.
1. Therefore, the server system is recommended to be installed on a hard disk with higher I/O performance, and everyone I come into contact with will choose The system is installed on a SAS hard disk with a speed of 15,000 rh. So your question is easy to answer, of course, installed on the server hard disk.
2. The choice of the operating system should be determined in combination with the configuration of the server. Generally, Win2008, Win2008R2 or Win2012 are all acceptable. Try not to use the installation method of USB flash drive installation. The failure rate of using USB flash drive to install the server operating system is relatively high. The success rate of using CD-ROM installation will be higher.
3. In summary, whether to use a solid-state or a mechanical hard disk depends on the role of your website server. If you have high requirements for reading and writing speed, you can only choose a solid-state drive. If you consider cost-effectiveness, a large-capacity mechanical hard disk is more suitable. Anyway, the rest are half right.
1. Is it to configure the array first or install the operating system first? Of course, the array is first and then the system, just like the room is allocated first before further decoration and check-in.
2. ServiceBefore installing the operating system, try to make a good disk array of the hard disk. It is recommended to use Raid5. Although it will waste part of the storage space, the fault tolerance performance is much better. Once a disk is damaged, it can be replaced in time. Prepare the hardware driver of the server, and the integrity of the driver also determines the stability of the server.
3. A machine can form multiple arrays, and an array card can also form multiple arrays. If there are many hard disks and more array cards (of course, there are also more motherboard PCI-E interfaces), N arrays can be formed.
4. The array is made before installing the system. Generally, there is an entry prompt at the beginning of the array. Most of them I have seen are CTRL plus L, but there are others. After entering, the general card is marked with 015. I made a picture with NVIDIA's RAID: BIOS settings and RAID settings.
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1. Log in first After the Alibaba Cloud account, find our control center and find the server management console. Special reminder to back up the data before replacing the system disk.
2. First, log in to the Alibaba Cloud account, find the control center and find the server management console. When the server stops running, clicking "Change System Disk" in the configuration information will then remind you to replace the impact of the ECS server system disk if there is no data.
3. First, after logging in to the Alibaba Cloud account, find our control center and find the server management console.
4. Enter the background of Alibaba Cloud and click [How to format and mount the disk for more Alibaba Cloud deploys Linux in the server below the instance? Step 4: Format and mount the disk. If you select the disk when creating the instance, after logging in to the instance, the system needs to format the disk first and then mount the disk.
5. Details Log in to the cloud service management console, select Cloud Service ECS, click Instance, and enter the instance page. On the instance list page, select More - Disk and Mirror, click Replace System Disk or Reinitialize Disk, and replace the operating system of the ECS server through such options.
6. Steps to change the operating system of Alibaba Cloud Server: Log in to the ECS management console. In the left navigation bar, click Instance and Mirror Instance. In the upper left corner of the top status bar, select the region. On the instance list page, find the target instance of the system disk to be replaced.
1. In RAID1, when a hard disk fails (failure occurs), the system can automatically switch to read/write on the mirror hard disk, and there is no need to reorganize the failed data. . Enter the disk space administrator storage pool and see an abnormal message. This space has been downgraded. It is recommended to replace the broken disk.
2. If RAID 1One hard disk is broken, and the data will not be lost, because RAID 1 is a mirror redundancy mode, and the other hard disk has a complete data backup. You only need to replace the damaged hard disk, and the RAID system will automatically resynchronize the data to the new hard disk.
3. It will affect that HD Tune may not accurately test the speed of the RAID card roll. There will be no problem if the bad disk is pulled out, and the system/data is normal. However, a new disk of the same type with a capacity of not less than the original disk should be inserted as soon as possible. The RAID card will automatically repair RAID1, otherwise the system/data will be in danger.
4. No need. By checking the official website of Zhongguancun Online, it can be seen that raid1 replacement hard disk can directly pull out the broken hard disk when it is turned on and replaced with a new hard disk. The system data will be automatically rebuilt, so there is no need to turn off the server.RAID1 generally refers to RAID1.
1. The difference between the server hard disk and the ordinary hard disk: the server hard disk is fast, the server hard disk is highly reliable, most of the server hard disks use the SCSI interface, the server hard disk can support hot-swapping, and the security of the server hard disk is high.
2. According to the query blog, the differences between server hard disks and ordinary hard disks are as follows: ordinary mechanical hard disks do not support hot-swapping. And most server hard disks support HotSwap, which can pull out or insert a hard disk when the server does not stop, and the operating system can automatically recognize changes in the hard disk.
3. Most server hard disks support hot-swapping. It can pull out or insert a hard disk when the server does not stop. The operating system can automatically identify the changes of the hard disk. Ordinary mechanical hard disks do not support hot-swapping.
4. The server hard disk cache is relatively large. 2 The server hard disk speed is relatively fast, and most of them are above 10000rpm/s. 3 The single disk capacity of the server hard disk is smaller than that of ordinary, and the total capacity of the hard disk is generally not the integer of the common ordinary hard disk, and most of them have zero heads. 4 The server hard disk can operate at high load for a long time.
5. With the continuous upgrading of hard disks on the market, cost-effective solid-state drives are becoming more and more popular. The reason is that solid-state drives have better performance in all aspects than traditional mechanical hard disks.
6. Compared with the hard disk of ordinary PCs, the hard disk used on the server has the following four characteristics.
1. Therefore, the server system is recommended to be installed on a hard disk with higher I/O performance, and everyone I come into contact with will choose The system is installed on a SAS hard disk with a speed of 15,000 rh. So your question is easy to answer, of course, installed on the server hard disk.
2. The choice of the operating system should be determined in combination with the configuration of the server. Generally, Win2008, Win2008R2 or Win2012 are all acceptable. Try not to use the installation method of USB flash drive installation. The failure rate of using USB flash drive to install the server operating system is relatively high. The success rate of using CD-ROM installation will be higher.
3. In summary, whether to use a solid-state or a mechanical hard disk depends on the role of your website server. If you have high requirements for reading and writing speed, you can only choose a solid-state drive. If you consider cost-effectiveness, a large-capacity mechanical hard disk is more suitable. Anyway, the rest are half right.
1. Is it to configure the array first or install the operating system first? Of course, the array is first and then the system, just like the room is allocated first before further decoration and check-in.
2. ServiceBefore installing the operating system, try to make a good disk array of the hard disk. It is recommended to use Raid5. Although it will waste part of the storage space, the fault tolerance performance is much better. Once a disk is damaged, it can be replaced in time. Prepare the hardware driver of the server, and the integrity of the driver also determines the stability of the server.
3. A machine can form multiple arrays, and an array card can also form multiple arrays. If there are many hard disks and more array cards (of course, there are also more motherboard PCI-E interfaces), N arrays can be formed.
4. The array is made before installing the system. Generally, there is an entry prompt at the beginning of the array. Most of them I have seen are CTRL plus L, but there are others. After entering, the general card is marked with 015. I made a picture with NVIDIA's RAID: BIOS settings and RAID settings.
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