The following PowerShell statement retrieves all the block devices of a running Windows EC2 instance it is executed upon: $alldrives = (Invoke-WebRequest -Uri ).Content The EC2 metadata service provides a mechanism to determine this. In order to build a striped volume consisting only of instance-store volumes, we first need a mechanism to distinguish the volume types (EBS or ephemeral) associated with the instance. This is a common use case for many AWS customers. This blog post describes how the ephemeral volumes of any Windows EC2 instance can be detected at launch, and then automatically striped into one large OS volume. Many workloads can benefit from this type of temporary block-level storage, and it’s important to mention that ephemeral volumes also come with no extra cost. Because of the temporary nature of instance-store volumes, they are often referred to as ””’ephemeral”’-not lasting, enduring, or permanent”. The data in an instance store persists only during the lifetime of its associated instance. Instance-store volumes provide temporary block-level storage to the instance. Additional EBS drives can easily be added as desired.ĭepending on the EC2 instance type selected, there will also be from zero to 24 instance-store volumes automatically available to the instance. The root volume for Windows instances will always be a volume provided by the Amazon EBS service. ACPI: IRQ11 used by override.Today we have another guest post by AWS Solutions Architect David Veith.Īmazon EC2 currently offers more than 20 current-generation instance types for your Windows operating system workloads. ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level) ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 low level) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) IOAPIC: apic_id 1, version 17, address 0xfec00000, GSI 0-47 #AWS SCSI DISK MAP TO XVD VERIFICATION#ACPI: Early table checksum verification disabled Base memory trampoline at 98000 size 24576 Scanning 1 areas for low memory corruption x86/PAT: Configuration : WB WC UC- UC WB WP UC- WT #AWS SCSI DISK MAP TO XVD DRIVER#Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks. Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs. Xen Platform PCI: I/O protocol version 1 x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. x86/fpu: xstate_offset: 576, xstate_sizes: 256 x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' #AWS SCSI DISK MAP TO XVD UPGRADE#UpgradeStatus: No upgrade log present (probably fresh install) cgroup: new mount options do not match the existing superblock, will be ignored The test will hang on dev STARTING, and get killed by the timeout setting.
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